单项选择题
A.the reason of replacing B.the course of replacing C.crews who do this work D.where and when the replacing being done
Why the cooling water of the diesel engine should be tr...
单项选择题Why the cooling water of the diesel engine should be treated? Because the（）
A.Cooling water is alkalescence B.cooling water is acidity C.cooling water has salinity D.cooling water has impurity
The cooling water of the diesel engine should be treate...
单项选择题The cooling water of the diesel engine should be treated, because it has（）
A.alkale scence B.acidity C.salinity D.impurity
When received the order "finished with engine" which of...
单项选择题When received the order "finished with engine" which of the following operations is wrong?（）
A.stop the LO pump, SW pump, FW pump B.stop the priming FO transfer pump C.engage the turning gear D.open the scavenge air belts drain valve and cover the turbocharger silencer with the dustproof cover
