这个小组也将他们的机器用在给淬火钢打洞，包括不锈钢。

The group have also used their machine to punch holes in hardened steel, including stainless steel.

youdao

这个小组也将他们的机器用在给淬火钢打洞，包括不锈钢。

The group have also used their machine to punch holes in hardened steel, including stainless steel.

youdao