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If the back clearance of a piston ring is excessive,（）

单选题
2022-07-10 22:18
A、compression pressure in the cylinder will be higher
B、carbon will accumulate behind the ring
C、combustion gases will penetrate beneath the ring land
D、piston side thrust will be increased
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正确答案
B
试题解析
标签： 船舶电气与船舶安全
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