單項選擇題() usually helps to induce air movement to assist combustion.

A.Cylinder cover
B.Main bearing
C.The exhaust valve
D.The piston movement


您可能感興趣的試卷

你可能感興趣的試題

1.單項選擇題() is secured by means of side-chock bolts and end-chock bolts.

A.The bedplate
B.The column
C.The main bearing
D.The double bottom

3.單項選擇題() for the camshaft gear train is taken from a spur gear which for a six cylinder engine is at the coupling end.

A.The driven gear
B.The drive
C.The grease
D.The lubricating oil

4.單項選擇題() water is more expensive than fresh water It has high specific heat and low viscosity.

A.Distilled
B.Distilling
C.Boiling
D.Boiled

5.單項選擇題() the engines, the diesel engine is() used engine on board.

A.Between;more commonly
B.Among;the most commonly
C.Between;not more commonly
D.Among;not the most commonly