PCB 图层中英文对照表Top Layer顶层Mid Laeyr 中间层 1 Mid Laeyr14中间层 14Bottom Laeyr 底层Top Overlay 丝印顶层Bottom Overlay 丝印底层Top Paste Mask 贴片助焊顶层Bottom Paste Mask贴片助焊底层Top Solider Mask 助焊顶层Bottom Sol ider Mask底助焊层Internal Plane 1 内部电源平面层 1Internal Plane 2 内部电源平面层 2Internal Plane 3 内部电源平面层 3Internal Plane 4 内部电源平面层 4Drill Guide 钻孔标示Keep Out Layer 禁止布线层Mechanical Layer 1机械层1Mechanical Layer 2机械层2Mechanical Layer 3机械层3Mechanical Layer 4机械层4 Drill Drawi ng 钻孔图MultiLaye r多层