Such machines as are used in our workshop are made in china.

我们车间使用的这种机器是中国制造的。 但是，如果从句和主句的动作在将来不同的时间发生，则两部分都要用来将来时

youdao

Such machines as are used in our workshop are made in China.

我们车间使用的这种机器是中国制造的。

youdao

Such machines as are used in our workshop are made in China.

我们车间使用的这种机器是中国制造的。

youdao