问题描述：
[单选]
With four-stroke engines， it takes four revolutions of the crank shaft to make（）power stroke（s）．
A．1
B．2
C．4
D．8
参考答案：查看无
答案解析：无
☆收藏
答案解析：无
☆收藏
上一篇：With the crank in position in the engine， some measurements can be taken by a special bridge gauge and（）．
下一篇：With（）unit the timing of fuel injection of an engine can be regulated automatically．
- 我要回答: 网友(216.73.216.127)
- 热门题目: 1.烟灰具有粘性，这是烟灰发生沉 2.废气流速低是废气锅炉烟灰沉积 3.在约定MCR工况下，废气锅炉