试题与答案

密封风机来的密封风分()三路到磨煤机。A、磨辊密封;B、拉杆密封;C、机座密封;D、

题型:多项选择题

题目:

密封风机来的密封风分()三路到磨煤机。

A、磨辊密封;

B、拉杆密封;

C、机座密封;

D、机壳密封。

答案:

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