此声音是由于产品的机械结构造成的。

This sound is due to product the mechanical structure.

youdao

40岁。这款机器很少会故障，即使有也便于维修，因为它们机械结构构造简单。

These machines have few breakdowns and easy to maintain because of their simple mechanical structure.

youdao

综合机械化开采对构造复杂工作面生产具有较高的要求。

Fully-mechanized Coal Winning is difficult in the production with complex working face.

youdao

综合机械化开采对构造复杂工作面生产具有较高的要求。

Fully-mechanized Coal Winning is difficult in the production with complex working face.

youdao