drilling hole

常用短語

Drilling Hole Diameter鉆孔直徑

Drilling Hole Speed鉆咀速度；鉆孔轉速

drilling hole pattern炮孔布置圖

centre-drilling hole中心鉆孔

Drilling hole explore鉆孔勘探

drilling hole database鉆孔數據庫

the speed of drilling hole鉆孔速度

Used in PCB drilling hole用途

Hole drilling打眼；鉆炮眼；鉆孔