单项选择题
Fuels of high quality with their earlier ignitions will cause higher （）pressure in cylinders of a diesel engine.
A.compression B.maximum C.rated D.oil
单项选择题 Fuel pump index is （）.
单项选择题 Fuel oil is thought to be one of the main factors （） the operation and maintenance of an engine.
单项选择题 Fuel oil is pumped by means of （） from the bunker tanks.
