For one or two types of engine the piston and rod can be withdrawn downwards from the cylinder into the crankcase and then out through the （）.

时间：2019-04-14 11:53:04 关键词：the,engine,piston

For one or two types of engine, the piston and rod can be withdrawn downwards from the cylinder into the crankcase and then out through the （）.

A.cylinder casing

B.cylinder bore

C.crankcase door

D.aperture in the cylinder block

答案解析

C

举一反三

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For one or two types of engine the piston and rod can be withdrawn downwards from the cylinder into the crankcase and then out through the （）.

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