The machine shall have sound grounding device.

机器必须有良好的接地装置。

youdao

A sound knowledge of physics is fully as important as good grounding in chemistry.

完备的物理知识同化学中良好的基础训练一样重要。

youdao

A sound knowledge of physics is fully as important as good grounding in chemistry.

完备的物理知识同化学中良好的基础训练一样重要。

youdao