问题描述：
[单选]
A naturally aspirated diesel engine at full throttle will have an intake manifold pressure（）
A．slightly less than atmospheric pressure
B．approximately equal to exhaust manifold pressure at all times
C．that is widely fluctuating constantly
D．decreasing as engine load increase
参考答案：查看无
答案解析：无
☆收藏
答案解析：无
☆收藏
上一篇：During the fuel injection period， fuel pressure must exceed cylinder gas pressure to（）．
下一篇：Most fuel injection nozzles are opened by（）．
- 我要回答: 网友(216.73.216.127)
- 热门题目: 1.低速柴油机排放污染物中，影响 2.废气锅炉烟垢着火危险的报警三 3.废气锅炉烟垢着火的热量主要传