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【单选题】
汽油发动机常温下式活塞销与活塞销座的配合,保持( )为合适
A.
0.025-0.075mm 的间隙
B.
0.0025-0.0075mm 的过盈
C.
0.05-0.08mm 的间隙
D.
0.05-0.08mm 的过盈
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A.
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B.
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C.
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D.
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