单选题（） 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.AToo largerBToo smallerCExcessDExcessive
单选题
（） 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
参考解析
解析：
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