The bearing cap and shell are replaced and tightened up until （）.<br>A:the “ nip ”is zero<br>B:the “ nap ” is zero<br>C:the “ gap ”is correct<br>D:the “ clearance ” is correct

The bearing cap and shell are replaced and tightened up until （）.
A:the “ nip ”is zero
B:the “ nap ” is zero
C:the “ gap ”is correct
D:the “ clearance ” is correct

出自：海船船员证

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