A.The bedplate
B.The column
C.The main bearing
D.The double bottom
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A.Because
B.Owing to
C.For
D.No matter
A.The driven gear
B.The drive
C.The grease
D.The lubricating oil
A.Distilled
B.Distilling
C.Boiling
D.Boiled
A.Between；more commonly
B.Among；the most commonly
C.Between；not more commonly
D.Among；not the most commonly
A.Except for
B.Beside
C.Except
D.In addition to
最新試題
The ability of the governor to prevent fluctuations in engine speed is termed （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
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 （）.
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How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
Maximum horsepower of a diesel engine is attained （）.
Proper filtering and straining of fuel oil is important because the （）.
A diesel engine piston ring face is in direct contact with the （）.
In using reduction gears to obtain efficient propeller speeds, （）.