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The connecting rob is fitted between the crosshead and the crankshaftIt transmits the firing force, and together with the crankshaft convert the （） motion to a （） motion.

A、rotary；reciprocating

B、up and down；fore and aft

C、fore and aft；up and down

D、up and down；rotary

时间：2022-01-03 01:35 关键词： 船舶电气与船舶安全

答案解析

D