要有多年的机械设计经验，精通机械、气动、液压和电气知识。

Should have mechanical design experience, mechanical, pneumatic, hydraulic electrical knowledge.

youdao

要有多年的机械设计经验，精通机械、气动、液压和电气知识。

Should have mechanical design experience, mechanical, pneumatic, hydraulic electrical knowledge.

youdao