问题描述：
[单选]
A decrease in the flash point of diesel engine lube oil indicates the lube oil has become（）．
A．contaminated with sludge
B．contaminated with carbon
C．diluted with fuel oil
D．diluted with water
参考答案：查看无
答案解析：无
☆收藏
答案解析：无
☆收藏
上一篇：Crank web deflection readings will give a positive indication of（）．
下一篇：The emulsion of the oil is mainly caused by（）．
- 我要回答: 网友(216.73.216.127)
- 热门题目: 1.对使用液压撑杆螺栓的正置式主 2.对使用液压撑杆螺栓的正置式主 3.用液压工具拆主机主轴承液压撑