单项选择题
A.vacuum pressure B.specific gravity C.heat D.viscosity
The hydraulic （） is used to control engine speed.A.moto...
单项选择题The hydraulic （） is used to control engine speed.
A.motor B.pump C.governor D.capstan
The hot expanding gas rotates the blades of the exhaust...
单项选择题The hot expanding gas rotates the blades of the exhaust turbine, thus giving out large part of its power, which drives （）.
A.the oil separator B.the fresh water generator C.the compressor D.fire pump
The high pressure in fuel injection system of the diese...
单项选择题The high pressure in fuel injection system of the diesel engine is produced by the （）.
A.injector pump B.fuel injector C.governor D.turbocharger
