问题
-
_______ diesel engines generally have two systems of lubrication: a total loss system feeding and a circulating system lubricating the running gear and cooling the pistons.
-
The process of removing moisture from air is known as_____.
-
The use of sinking and dispersing agents for the removal of surface oil is _____.A.the mos
-
It is necessary to remove _____ from the cooling spaces.A.scarB.scaleC.spurD.bilge
-
Engine coolant accumulating in the diesel engine lubricating oil can result from a _______
-
The function of lubricating oil is to ______.A.maintain even distribution of bearing wearB