问题描述：
[单选]
The fuel injector injects a fine spray of fuel into the hot air and combustion（）， producing much high pressure in the gases．
A．has begun
B．takes place
C．occurs
D．happe
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 injector pump is operated by（）which drives the plunger up and down．
下一篇：The fresh air coming in through the inner air ports， is compressed by（）to a higher pressure．
- 我要回答: 网友(216.73.216.96)
- 热门题目: 1.船舶动力装置的可靠性与船舶的 2.尾机舱的优缺点是什么？ 3.中机舱的优缺点是什么？