Some pumps use packing as sealing glandThe gland should be （）. -题库考试答案搜索网

Some pumps use packing as sealing glandThe gland should be （）.

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2021-08-07 10:05

A、slack enough to allow slight leakage of fluid
B、slightly clocked
C、brought up tight so as not to allow any leakage
D、fitted with a relief valve

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正确答案

A

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标签：船舶辅助机械

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