问题描述：
[单选]
Among the main propulsion units on board the ship with the same capacity， the lightest one is（）．
A．steam engine
B．steam turbine
C．gas turbine
D．diesel engine
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 essential part of the diesel engine， whose function is to convert the heat energy into the mechanical power， is the（）．
下一篇：When we say that two objects have relative motion， we mean（）．
- 我要回答: 网友(216.73.216.119)
- 热门题目: 1.怎样防止曲柄箱爆炸？ 2.扫气箱着火时应采取怎样措施？ 3.柴油机敲缸时的应急处理措施？