单项选择题
A.overheated injection pumps
B.water condensation in the cylinders
C.fuel dilution of the lube oil
D.air in the fuel system
单项选择题 Water in the fuel can prevent the engine from starting, prevent it from developing full power, or （）
单项选择题 In a single acting, four-stroke/cycle diesel engine, the power impulse in an individual cylinder occurs （）
单项选择题 When a ship is involved in an oil pollution incident in China, the ship must report without delay to（）