试题与答案

活塞头部有活塞环槽、一般（）。A.油环环槽多，气环环槽少 B.气环环槽多，油环环槽少

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题型：单项选择题

题目：

活塞头部有活塞环槽、一般（）。

A.油环环槽多，气环环槽少

B.气环环槽多，油环环槽少

C.气环环槽与油环环槽一样多

D.不需要气环、油环

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： 《保险法》第五十一条第四款规定，保险人为维护保险标的的安全，经被保险人同意，可以采取安全预防措施。

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