The oil has many purposes: there are lubricating, ( ), cleaning ect.
A: cooling
B: seal
C: heat
D: warm
A: cooling
B: seal
C: heat
D: warm
举一反三
- The main jobs of the _________ are lubricating, cooling, cleaning and sealing. A: radiator B: oil filter C: engine oil D: cooling fan
- The main jobs of the _____ are lubricating, cooling, cleaning and sealing. A: radiator B: oil filter C: engine oil
- In the lubricating oil system of the main engine, the function of _____ is to adjust the amount of lubricating oil entering the lubricating oil cooler according to the temperature of the lubricating oil. A: self cleaning filter B: lubrication oil pump C: three-way valve D: by-pass filter
- The purposes of the _____ are to remove excess heat , to keep the engine operating and to warm up the engine A: engine lubrication system B: engine cooling system C: crank mechanism D: valve train
- For diesel engine piston cooling， lubricating oil can be supplied to the pistons by a/an （）.