A-A+ The effective stroke of a constant-stroke individual fuel injection pump is varied by th.. 2020-09-18 20:30:47 资格考试 阅读 问题详情 A.control rackB.delivery valveC.governor speedD.plunger crossbar请帮忙给出正确答案和分析,谢谢! 参考答案 查看解答