單項(xiàng)選擇題

"Scavenging" on a diesel engine means （）.

A.injecting fuel oil into a cylinder
B.removing exhaust gases from the cylinder
C.forcing air into the cylinders under pressure after the exhaust valve has dosed
D.a combination of all the above

你可能感興趣的試題

單項(xiàng)選擇題

Scavenging is （） of exhaust gases by blowing in fresh air.

A.the suction
B.the compression
C.the removal
D.the deliver

單項(xiàng)選擇題

Rotating flyweights acting against spring pressure make a simple type of （）.

A.governor
B.safety valve
C.reducing valve
D.feed water regulator

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

"Scavenging" on a diesel engine means （）.

你可能感興趣的試題

Scavenging is （） of exhaust gases by blowing in fresh air.

Rotating flyweights acting against spring pressure make a simple type of （）.

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