问题描述：
[单选]
The emulsion of the oil is mainly caused by（）．
A．the solid impurities of large particle
B．the solid impurities of fine particle
C．the water content
D．both water and solid impuritie
参考答案：查看无
答案解析：无
☆收藏
答案解析：无
☆收藏
上一篇：A decrease in the flash point of diesel engine lube oil indicates the lube oil has become（）．
下一篇：Impurities in the fuel oil will affect the operation of the engine， which has（）the use of separator and some other devices．
- 我要回答: 网友(216.73.216.96)
- 热门题目: 1.对于活塞杆下端是方形法兰的机 2.活塞杆填料函的泄放管是与（） 3.组装活塞杆填料函中的刮油环和