Routine monitoring of a diesel engine should include （）.

If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.

A thrust bearing is used with a propulsion diesel engine to （）.

Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.

Maximum horsepower of a diesel engine is attained （）.

When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.

When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）

White smoke exhausting from an operating diesel engine may indicate （）.

In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.

The highest pressure in a diesel engine cylinder normally occurs （）.