The effective stroke of a constant-stroke individual fuel injection pump is varied by the （）.

时间：2019-04-14 12:57:20 关键词：of,constant,individual

The effective stroke of a constant-stroke, individual, fuel injection pump is varied by the （）.

A.control rack

B.delivery valve

C.governor speed

D.plunger crossbar

答案解析

A

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