An operator should be able to operate a number of such machines, at a maximum casting speed.

一个操作工人可以最快的铸造速度操作数台这样的铸片机。

youdao

An operator should be able to operate a number of such machines, at a maximum casting speed.

一个操作工人可以最快的铸造速度操作数台这样的铸片机。

youdao