日期:2013-05-24 10:23
宽度 conductor width
导线距离 conductor spacing
导线层 conductor layer
导线宽度/间距conductor line/space
第一导线层conductor layer No.1
分线separated time
分层eparated layer
孔环 annular ring
元件孔 component hole
安装孔mounting hole
支撑孔 supported hole
非支撑孔 unsupported hole
导通孔 via
镀通孔 plated through hole (PTH)
余隙孔 access hole
盲孔 blind via (hole)
埋孔 buried via hole