问题描述：
[单选]
The majority of medium speed and high speed marine diesel engines for main or auxiliary drive operate on the（）cycle．
A．two-stroke
B．four-stoke
C．long-stroke
D．short-stroke
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 marine diesel engine is a type of diesel engine used on ships The（）of its operation is not very difficult to understand．
下一篇：The main moving parts of a diesel engine consist of the（）and the pistons．
- 我要回答: 网友(18.219.226.57)
- 热门题目: 1.活塞杆填料函的泄放管是与（） 2.组装活塞杆填料函中的刮油环和 3.活塞杆填料函安装在气缸底板中