问题描述：
[单选]
Lubricating oil is supplied to the crank-pin bearings in a marine diesel engine by（）．
A．internal crankshaft passages
B．immersion in oil
C．splash lubrication
D．injection lubricatio
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 fuel supply system to an automatic auxiliary boiler， will be automatically shutdown if the boiler（）
下一篇：What function is provided by the crankcase ventilation system on some diesel engines？
- 我要回答: 网友(3.131.37.82)
- 热门题目: 1.（）时应对增压器转子进行动平 2.增压器自带油泵工作的可靠性与 3.当滚动轴承的（）达到其额定使