單項(xiàng)選擇題

The main purpose of changing main engine to electronic controlled is not to（）

A.control fuel injection time more precisely
B.control fuel injection rate more precisely
C.meet the environmental requirements
D.meet high engine speed requirements

你可能感興趣的試題

單項(xiàng)選擇題

To meet the market requirements, a marine diesel engine should not be of（）

A.big size
B.fuel economy
C.low speed
D.high power

單項(xiàng)選擇題

The common rail engines show great advantages in combustion especially（）.

A.at high speed and full load
B.at low speed and part load
C.when heavy fuel oil is used at sea
D.when the ships run long distance

无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

The main purpose of changing main engine to electronic controlled is not to（）

你可能感興趣的試題

To meet the market requirements, a marine diesel engine should not be of（）

The common rail engines show great advantages in combustion especially（）.