The major problem in manufacture is the control of contamination and foreign materials.译文:制造中的主要问题是如何控制污染和杂质。


The major problem in manufacture is the control of contamination and foreign materials.译文:制造中的主要问题是如何控制污染和杂质。

A.正确

B.错误

正确答案:正确



猜你喜欢