99色精品-9色在线-99色在线-99色视频国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

單項選擇題

With supercharging a larger mass of air is supplied to the cylinder by blowing it in under pressure, which is the best means to （） of the engine.

A.increase the exhaust temperature
B.increase the power of
C.reduce the speed
D.increase the fuel consumption

你可能感興趣的試題

單項選擇題

Whilst the engine is turning, check to see that no water is leaking into the crankcase, scavenge air belt, or from （）.

A.exhaust valves
B.starting valves
C.fuel valves
D.the indicator cocks

單項選擇題

While engine is in operation the piston moves up and down, thus causing the rotation of the （）.

A.crankcase
B.slipper
C.cam housing
D.crankshaft