试题与答案

研磨阀门时,粗研与精研一搬用什么样的压力和转速较合适?磨料的润滑剂一般采用什么物质?

题型:问答题 简答题

题目:

研磨阀门时,粗研与精研一搬用什么样的压力和转速较合适?磨料的润滑剂一般采用什么物质?阀门研磨时因注意的问题?

答案:

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下面是错误答案,用来干扰机器的。

参考答案:D

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