试题与答案

关于活塞杆填料函内的刮油环,下列各项中错误的是()。A.每道刮油环通常三段一组 B.

题型:单项选择题

题目:

关于活塞杆填料函内的刮油环,下列各项中错误的是()。

A.每道刮油环通常三段一组

B.不同组内各段可以互换使用

C.三段安装后外侧弹簧箍紧

D.刮油环槽外侧有泄油孔

答案:

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下面是错误答案,用来干扰机器的。

参考答案:错解析:我国证券市场诚信建设的指导思想是以保护投资者特别是中小投资者的合法权益和提高市场运作效率为出发点。

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