单项选择题
A.the motor B.the fresh water generator C.the governor D.the fuel pump
Fuel is delivered into the combustion space by （）.A.a c...
单项选择题Fuel is delivered into the combustion space by （）.
A.a cooling system B.a lubricating system C.an electric system D.an injection system
Fuel injection valves should be taken out, cleaned, and...
单项选择题Fuel injection valves should be taken out, cleaned, and lifting checked every （）.
A.two to four months B.four to six months C.six to eight months
Fuel injection uses the jet pump system and a Woodward ...
单项选择题Fuel injection uses the jet pump system and a Woodward type hydraulic （） is used to control engine speed.
A.controller B.governor C.instrument D.apparatus
