（） clearances in the main or crank pin bearings will sometimes be indicated by loss of pressure in the lubricating system before any bearing knock is heard.<br>A:Too larger<br>B:Too smaller<br>C:Excess<br>D:Excessive

（） clearances in the main or crank pin bearings will sometimes be indicated by loss of pressure in the lubricating system before any bearing knock is heard.
A:Too larger
B:Too smaller
C:Excess
D:Excessive

出自：海船船员证

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