问题描述：
[单选]
The fuel injector pump is operated by（）which drives the plunger up and down．
A．a separate motor
B．a cam
C．a generator
D．a chai
参考答案：查看无
答案解析：无
☆收藏
答案解析：无
☆收藏
上一篇：The fuel oil system for a diesel engine can be considered in two parts--the fuel supply and the（）systems．
下一篇：The fuel injector injects a fine spray of fuel into the hot air and combustion（）， producing much high pressure in the gases．
- 我要回答: 网友(18.119.124.204)
- 热门题目: 1.底脚螺栓中的紧配螺栓，其直径 2.如果采用（）时，底脚螺栓可以 3.底脚螺栓与机座和底座的连接方