气中电火花线切割加工技术是近几年出现的一种新技术，它采用气体作为介质。

WEDM in gas is a kind of newly developed technology, in which gas has been used as a dielectric.

youdao

气中电火花线切割加工技术是近几年出现的一种新技术，它采用气体作为介质。

WEDM in gas is a kind of newly developed technology, in which gas has been used as a dielectric.

youdao