A.pressed；to
B.pressurized；with
C.pushed；in
D.compressed；to
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Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
To determine if the lube oil filter elements need changing, （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
A diesel engine piston ring face is in direct contact with the （）.
Routine monitoring of a diesel engine should include （）.
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 （）.
White smoke exhausting from an operating diesel engine may indicate （）.