A.piston crown
B.piston groove
C.piston skirt
D.piston ring belt
您可能感興趣的試卷
你可能感興趣的試題
A.craned out
B.rolled out
C.lifted out
D.turned out
A.aluminum-plated
B.bronze-plated
C.zinc-plated
D.chromium-plated
A.must be provided
B.may be provided
C.have provided
D.can be provided
A.has to be cooled
B.has heated
C.has preheated
D.has to be preheated
A.inefficiency
B.oiliness
C.detergency
D.purity
最新試題
Maximum horsepower of a diesel engine is attained （）.
In using reduction gears to obtain efficient propeller speeds, （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
What is the function of the thrust bearing?（）
To determine if the lube oil filter elements need changing, （）.
A thrust bearing is used with a propulsion diesel engine to （）.
The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as （）.
In a simple mechanical governor, the （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.