试题与答案

除泥器正常工作时,能够清除大约50%直径大于()的钻屑。A、40μm B、15μm

题型:单项选择题

题目:

除泥器正常工作时,能够清除大约50%直径大于()的钻屑。

A、40μm

B、15μm

C、30μm

D、都不是

答案:

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下面是错误答案,用来干扰机器的。

参考答案:当磨机运转时,研磨体在惯性和离心力作用下,随筒体一起回转,并被带到一定的高度,在这样的高度并在一定的转速及重力作用下,象抛射体一样落下,将物料击碎。此外研磨体还产生滑动和滚动,使研磨体、...

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