Brewer说，这个词来自于人们在室内和干燥的地方穿丝鞋或布鞋的时代。

Brewer says that the word comes from the time when silk or cloth shoes were worn indoors and in dry conditions.

youdao

一般打孔机都不能变角度，加工此穿丝孔需做一个专用工装。

Generally the punching machine can become Angle, processing the wear silk hole should do a special tooling.

youdao

在快走丝线切割加工中经常会发生断丝现象，频繁穿丝降低了加工效率，重复切割导致加工精度下降。

Wire-cut off is often met in high speed Linear Cutting Machine during machining. Frequently changing wire may decrease machining efficiency, and repeat machining can affect process accuracy.

youdao