钻孔：指在钻床或铣床上使用钻头对工件进行打孔的工艺过程。

Drilling: refers to the use of drilling or milling machine drill hole of the workpiece process.

youdao

钻孔：指在钻床或铣床上使用钻头对工件进行打孔的工艺过程。

Drilling: refers to the use of drilling or milling machine drill hole of the workpiece process.

youdao