问题描述：
[单选]
Vessels required to be equipped with an approved backfire flame arrester are（）．
A．those with diesel engines
B．all those with gasoline engines
C．those with large engines only
D．None of the above
参考答案：查看无
答案解析：无
☆收藏
答案解析：无
☆收藏
上一篇：What condition will result in the automatic shutdown of a diesel engine？
下一篇：The ship has a diesel engine（）a supercharger．
- 我要回答: 网友(216.73.216.135)
- 热门题目: 1.为了满足船舶续航力的要求，船 2.水平装货的船舶，对机舱高度有 3.巨大型船舶对动力装置的重量和