减速机各结合面应（）油。A.不滴 B.少滴 C.不漏 D.不渗_爱下问搜题

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问题单项选择题

减速机各结合面应（）油。

A.不滴

B.少滴

C.不漏

D.不渗

答案

参考答案：D

选择题

she is,she has not much inside.

A．Intelligence girl as

B．An intelligence girl as

C．Intelligence a girl as

D．Girl Intelligence as

单项选择题

活性炭吸附管使用前应通氮气活化，活化时间不少于（）。

A.5min

B.10min

C.15min

D.30min