采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物第二版第二版drop【亲身体验亲身体验】 根据汉语提示，完成句子。根据汉语提示，完成句子。1. 我们应该节约每一滴水。我们应该节约每一滴水。 We should save_.2. 苹果从树上掉到了地上。苹果从树上掉到了地上。 The apple _ the tree to the ground.every drop of waterdropped from采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物【小贴士小贴士】drop用作名词，意思是用作名词，意思是“滴滴”。如：。如： A few drops of rain landed on the roof. 几滴雨水落在了屋顶上。几滴雨水落在了屋顶上。drop用作动词，意思是用作动词，意思是“掉下、落下掉下、落下”， 可作及物动词，也可作不及物动词。可作及物动词，也可作不及物动词。 如：如： A gentle rain dropped yesterday morning. 昨天上午下了一场小雨。昨天上午下了一场小雨。 Mary dropped the vase on the floor. 玛丽把花瓶掉在了地板上。玛丽把花瓶掉在了地板上。采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物 return【亲身体验亲身体验】改写同义句，每空一词。改写同义句，每空一词。3. Children return to school when the holiday is over.Children _ _ to school when the holiday is over.4. You may use my car, but you must return it tomorrow morning.You may use my car, but you must _ _ _ tomorrow morning.go / come backgive it back采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物【小贴士小贴士】return用作不及物动词，意为用作不及物动词，意为“返回返回”，相当于相当于go / come back，常与，常与from, to等介词等介词搭配。如：搭配。如：Ill return at nine this evening. 我今晚我今晚9点回来。点回来。When I return from the coast, I shall bringgood news. 我从海滨回来后会带来好消息的。我从海滨回来后会带来好消息的。采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物return用作及物动词，意为用作及物动词，意为“归还归还”，相当于，相当于give back，return sth. to是其是其常用结构。如：常用结构。如：Will you return my car key? 你把汽车钥匙还给我，好吗你把汽车钥匙还给我，好吗?Please return the book to the library before Thursday. 请在星期四以前把书还给图书馆。请在星期四以前把书还给图书馆。采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物【一试身手一试身手】选择填空。选择填空。1. Did you hear any strange _ when the earthquake (地震地震) happened? No, I was in my garden and enjoying the beautiful _ of my daughter at that time. A. voice; noise B. noise; sound C. whisper; sound D. sound; voice点击点击1采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物【要点链接要点链接】noise, voice和和sound这三个词都与这三个词都与“声音声音”有关，但是，有关，但是，voice是是“嗓音嗓音”的意思，的意思，多指人发出的声音，包括说话、歌唱或发多指人发出的声音，包括说话、歌唱或发笑的声音，有时也指鸟鸣的声音；笑的声音，有时也指鸟鸣的声音；noise意为意为“噪音、喧闹声噪音、喧闹声”，指人们不愿听到，指人们不愿听到的声音或的声音或采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物嘈杂声；嘈杂声；sound意为意为“声音、响声声音、响声”，泛，泛指任何可以听到的声音，如人声、鸟声、指任何可以听到的声音，如人声、鸟声、机器的轰鸣声等。试比较：机器的轰鸣声等。试比较：She has a beautiful voice. 她嗓音优美。她嗓音优美。Who is making such a big noise? 谁这么吵闹？谁这么吵闹？When she woke up, her ear caught the sound of knocking. 她醒来时听见敲门的声音。她醒来时听见敲门的声音。采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物点击点击2【一试身手一试身手】根据中文提示，完成句子。根据中文提示，完成句子。2. “请帮我打开空调好吗请帮我打开空调好吗?” “它是开着的。它是开着的。” Can you please help me _ the air conditioner? It _.turn onis on采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物【要点链接要点链接】on用作副词，表示用作副词，表示“已连接、处于工已连接、处于工作状态或使用中作状态或使用中”。如：。如：The lights were all on. 所有的灯都亮着。所有的灯都亮着。turn on意为意为“打开打开”，与，与turn off (关掉关掉)相对应。如：相对应。如：Would you please turn the fan off? I feel a littlecold. 请把电扇关掉，好吗？我觉得有点冷。请把电扇关掉，好吗？我觉得有点冷。采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物【一试身手一试身手】 改错。改错。 3. You must remember dont to give her too much food. _【要点链接要点链接】remember to do sth.意为意为“记住要做某事记住要做某事”，remember not to do sth.则表示则表示“记住不要去记住不要去做某事做某事”。英语中，动词不定式的否定式通。英语中，动词不定式的否定式通常在常在to前加前加not。如：。如：Remember not to tell her our secret. 记得记得不要告她我们的秘密。不要告她我们的秘密。点击点击3dont改为改为not采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物语法透视语法透视【小试牛刀小试牛刀】选择合适的词语完成下列句子。选择合适的词语完成下列句子。A) many, much1. There arent _ hotels in the town.2. It took me a long time to drive here. There was _ traffic.B) a few, a little3. Can I have _ milk in my coffee, please?4. During the weekend, he wrote _ letters to his family and friends.manymucha littlea few采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物C) too few, too little, too much, too many5. I dont have _ time. Please be quick.6. Its crowded here. There are _ people.7. Theres _ rain here. Its too dry.8. There are one hundred guests but there are _ chairs.too muchtoo manytoo littletoo few采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物【能力升级能力升级】I.用用many或或much加下列词语完成句子。加下列词语完成句子。We enjoyed our holiday. We had _.2. Tom works _ every day. That is why he is always tired.3. I dont have _, so I wont buy the sweater.4. We enjoyed our visit to the museum. We saw _.hours, fun, interesting things, moneymuch funmany hoursmuch moneymany interesting things采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物. 用用a few或或a little加下列单词完成句子。加下列单词完成句子。1. Julia ate _. She wasnt very hungry.2. Robert gave me _ to buy some sweets.3. Can you speak any foreign languages? Yes. I can speak _.4. My dad says that I have to learn to speak _ of French, because we are going to Paris for holiday.Russian, rice, words, coinsa little ricea few coinsa little Russiana few words采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物. 根据情景，用根据情景，用how many / much补全对补全对话。话。(Mary and Tony are talking about how muchfood they need to buy for the party.)Tony: (1)_ forks, plates and cups do we need?Mary: I think thirty each will be enough.Tony: Do we need much food then? (2)_ bread shall we buy?Mary: I think we need about fifteen loaves (条条) of bread.How manyHow much采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物Tony: (3)_ beef and ham shall we get?Mary: About three kilos each.Tony: What else do you want to buy?Mary: We need some eggs and tomatoes.Tony: (4)_ do we need?Mary: I think we need twelve eggs and sixtomatoes.Tony: I think we need some chips too.(5)_ packets shall we buy?Mary: We need about five packets.How muchHow manyHow many第三版第三版基础巩固基础巩固 Module 3, Unit 5Words and phrasesI.根据要求写出相应根据要求写出相应的单词。的单词。1. salty (反义词反义词) _2. form (过去式过去式) _3. quantity (复数复数) _4. waste (现在分词现在分词) _5. little (同义词同义词) _6. value (形容词形容词) _7. add (过去式过去式) _8. drop (过去式过去式) _9. travel (同义词同义词) _10. chemical (复数复数) _ freshformedquantities wasting bitvaluableaddeddroppedjourneychemicals采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物 II. 汉译英。汉译英。1. 一滴水一滴水 _2. 的三分之二的三分之二 _3. 一个柔和的嗓音一个柔和的嗓音 _4. 做一项实验做一项实验 _5. 在一朵云里在一朵云里 _6. 太少的食用油太少的食用油 _7. 顺便说一下顺便说一下 _8. 流入大海流入大海 _a drop of watertwo thirds ofa soft voicedo an experimentin a cloudtoo little cooking oilby the wayrun into the sea采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物III. 根据首字母或者汉语提示，补全单词。根据首字母或者汉语提示，补全单词。1.The water began to d_ from the roof slowly.2. Linda is going to the b_ to get some money.3. After having a rest, they went t_ the forest successfully.4. The student answered the question in a very low v_.5. Ill a_ a few words when you finish the talk.ropankhroughoicedd 采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物6. Tom doesnt have time or money for a long _(旅程旅程).7. A worker is standing there with a _ (管道管道) in his hand.8. She spoiled (毁掉毁掉) the chicken soup with too much _(盐盐).9. My brother has a _ (有价值的有价值的) collection of stamps.10. The salesman forgot to give me the _ (零钱零钱).journeysaltpipe valuablechange采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物. 根据划线部分在句中的意思，找出意根据划线部分在句中的意思，找出意思思 最接近的选项。最接近的选项。 1. Because the water is fresh, this kind of fish can live in it. A. not clean B. not dirty C. not salty2. I hope you can return my car this weekend. A. borrow B. give back C. fix up_采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物 3. The ground dried up quickly after the rain.1. A. became dry B. became poor2. C. became wet4. We dont have enough tomatoes for the party. A. have a lot of B. have too few C. have too many5. At eleven oclock, Tom turned off the TV and went to bed. A. took away B. made begin working C. made stop working_采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物1. My password (密码密码) _ different letters and numbers.2. They just finished _ the work yesterday.V. 从方框中选择适当的短语并用其正确从方框中选择适当的短语并用其正确 形式填空。形式填空。part of, turn off, dry up, a bit, pocket money, be made up of , addto, leave onis made up ofpart of采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物3. The river in front of my house _ last year.4. Can you help me _ some wood _ the fire?5. She _ the oven and then took out the bread.6. Dont _ the machine _ when you dont use it.7. Im _ tired, so I dont want to eat out.8. Parents shouldnt give their children too much _.dried upaddtoturned offleaveona bitpocket money采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物. 仔细分辨下列单词或词组，并用其适当仔细分辨下列单词或词组，并用其适当形式完成下列各句。形式完成下列各句。a) through; across1.You will find the way out _ that door.2. It is easy for him to swim _ the river.b) a little; a few3. _ students didnt come to school today. throughacrossA few采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物4. I have _ time for reading every day.c) voice; sound; noise5. _ travels slower than light.6. How can we keep the _ out?7. She told us the news in a happy _.a littleSoundnoisevoice采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物SentencesI. 根据所给词的适当形式填空。根据所给词的适当形式填空。1. Do you think it is time _(tell) him2. the truth?2. Remember _(not open) the door if the bell rings.3. She started _ (work) in that shoe factory at 13.4. We are _(waste) time by reading such books.5. Tom told me _(wait) for him at the school gate.to tellnot to openworking / to workwastingto wait采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物. 连词成句。连词成句。1. their, days, journey, two, continued, later, they (.) _ _2. the, covered, the, heavy, during, ground, the, night, snow (.) _ _.3. milk, she, the, and, sugar, added, tasted, some, then (.) _Two days later, they continued their journey.The heavy snow covered the ground during the night采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物_4. there, boxes, how, on, of, truck, many, apples, are, the (?)_5. water, it, heat, if, vapour, the, becomes, you (.)_She tasted the milk and then added some sugar.How many boxes of apples are there on the truck?If you heat the water, it becomes vapour.采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物. 根据所给的中文补全下列英语句子，每根据所给的中文补全下列英语句子，每空一词。空一词。1. 你能告诉我水是怎么变成雨的吗？你能告诉我水是怎么变成雨的吗？ Can you tell me _ _ _ _? 2. 四分之一的同学反对去看电影。四分之一的同学反对去看电影。 _ _ _ _ _ are against seeing a film.3. 真奇怪，会议室里一个人也没有。真奇怪，会议室里一个人也没有。 It is strange that _ _ _ _ in the meeting room.how water becomes rainOne fourth of the studentsthere is no one采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物4. 我哥哥送给我一块表作为生日礼物。我哥哥送给我一块表作为生日礼物。 My brother gave me a watch _ _ _ _.5. 爱丽丝很伤心因为她丢了钥匙。爱丽丝很伤心因为她丢了钥匙。 Alice is very sad _ _ _ _ _.6. 你知道是谁把墙弄脏了吗？你知道是谁把墙弄脏了吗？ Do you know who _ _ _ _.as a birthday presentbecause she lost the keysmade the walldirty采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物7. 食物中的一些化学物质对我们的健康是食物中的一些化学物质对我们的健康是 有害的。有害的。 _ _ _ _ _ are bad for our health.8. 牛奶闻起来酸了，我们最好扔了它。牛奶闻起来酸了，我们最好扔了它。 _ _ _ _ and wed better throw it away.Some chemicals in the foodThe milk smells sour采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物GrammarI. 单项选择。单项选择。1. There _ a ruler, a cup and some books on the desk. A. has B. have C. is D. are 2. _ letters are there in the box? There are more than 500. A. How much B. How many C. How long D. How often采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物3. Is there enough butter in the bottle? No, there is _ left. Wed better go and buy some. A. much B. many C. a few D. a little4. Are there _ people in the club? No, there are _ people because it is closed. A. too many; no B. too much; no C. too many; some D. too much; some采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物5. Could I borrow some money? Sorry, I dont have _ money with me now. A. some B. much C. a little D. a few采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物. 按要求改写句子，每空一词。按要求改写句子，每空一词。1. Linda attended four courses last term. 2. (对划线部分提问对划线部分提问) _ _ _ _ _ _ last term?2. They have enough money to buy a car. (改为否定句改为否定句) They _ _ _ _ to buy a car.How many courses did Lindaattenddont have enough money_采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物3. There are many cars on the road in the city centre. (改为一般疑问句改为一般疑问句) _ _ _ _ on the road in the city centre?4. Is there a lot of coffee in the glass? (作作 肯定肯定 回答回答) _, _ _.5. We have 500 grams of beef in the fridge. (对划线部分提问对划线部分提问) _ _ _ _ _ _ in the fridge?Are there many carsYes there isHow much beef do you have_采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物6. There are too few chairs for everyone here.(改为同义句改为同义句) _ _ _ _ _ for everyone here.7. There is much sugar in the water. (改为否定句改为否定句) _ _ _ _ in the water.8. Tom needs to buy some bananas today. (改为一般疑问句改为一般疑问句) _ _ _ _ buy any bananas today?There are not enough chairsThere isnt much sugarDoes Tom need to采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物听说训练听说训练(Module 3, Unit 5)第四版第四版1. A. Theres no time left for us to finish2. the work. B. We dont have enough time to finish the work. C. We still have much time to finish the work.采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物2. A. Mr Smith put some milk into his coffee. B. Mr Smith liked drinking coffee with milk. C. Mr Smith put some coffee into the cup.3. A. The medical team needed 12 doctors. B. 12 doctors wanted to join the medical team. C. There were 12 doctors in the medical team.采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物4. A. Jane felt very tired because she went to the movies. B. Jane didnt go to the movies because she felt too tired. C. Jane didnt go to the movies because she felt a little tired.5. A. He thought a moment and then began to draw. B. He thought a moment and then decided to draw. C. He thought a moment and then went on drawing.采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物假如在你校节水周期间你获得了假如在你校节水周期间你获得了“节水先节水先锋锋”的称号，现在正在接受小记者的采访。的称号，现在正在接受小记者的采访。6. _ _7. _ _8. _ _Im very happy now, because I can help others.Its very good and we can know the importance of saving water.I told other students how to save water both at school and at home.采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物. 听短文，回答问题。听短文，回答问题。(短文及问题念短文及问题念两遍两遍) (共共3小题，每小题小题，每小题1分分)9._ 10._11._ In China.Because they can keep us dry or cool in different weather.By seeing some kids put leaves on their heads.采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物. 看图说话，请用英语描述下面各图。看图说话，请用英语描述下面各图。要求六句话以上。要求六句话以上。(共共4分分)take a bathwash clotheswash the dishesclean the toilet采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物_ Water is very important in our daily lives. We cant live without water. We can use it to take a bath. We can use it to wash clothes. We can use it to wash the dishes. And we can also use it to clean the toilet. But we should save water, because the water on Earth is becoming less and less.Thats all. Thank you.采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物重点短语大本营重点短语大本营turn off 关掉关掉addto 把把加入加入a bit 有点；一点有点；一点part of 的一部分的一部分pocket money 零花钱零花钱(be) made up of 由由组成组成dry up 干涸干涸a few days ago 几天前几天前be on 开着开着come from 来自来自采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物look around 环顾；环视环顾；环视travel through 经过经过the end of 的终点的终点come out of 从从出来出来talk to 与与交谈交谈a drop of water 一滴水一滴水return sth. to sb. 把某物还给某人把某物还给某人a lot of 许多许多too many / much 太多太多too few / little 太少太少how many / much 多少多少instead of 代替代替采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物根据下列各句的句意，用所提供的短根据下列各句的句意，用所提供的短语的恰当形式完成下列各句。语的恰当形式完成下列各句。1. I want to _ some sugar _ my tea.2. He _ to see if there was somebody he could ask.3. The bright Sun made the wet ground _ quickly.4. The light is still on. Please _ it _.5. The medical team was _ 20 doctors and 30 nurses.addtolooked arounddry upturnoffmade up of15 DBBCD采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物