单项选择题
A.broken down B.stuck C.oil leakage D.carbonized
A common trouble with the fuel pump plunger or fuel val...
单项选择题A common trouble with the fuel pump plunger or fuel valve spindle is （）.
A.water leakage B.steam leakage C.oil leakage D.air leakage
A charge of fresh air is drawn into the engine cylinder...
单项选择题A charge of fresh air is drawn into the engine cylinder and then （） by the moving piston（） very high pressure.
A.pressed；to B.pressurized；with C.pushed；in D.compressed；to
A cast steel strong back is fitted in way of the combus...
单项选择题A cast steel strong back is fitted in way of the combustion space to help absorb （）.
A.flame temperature B.fuel oil C.air movement D.gas forces
