免费注册 手机版 网站地图 小工具

学而优·知识库

首 页
Surface irregularities, such as erosion and pitting on injection pump plungers, will________.
A.increase ignition delay
B.affect fuel oil metering
C.affect engine performance at low speed
D.only disappear due to fuel oil abrasion
参考答案

关闭

前往注册

我已注册,登录账号 继续查看答案