A、A.higher；reduced
B、B.higher；increased
C、C.lower；reduced
D、D.lower；increased
更多“Medium speed engines have a （） power to weight ratio than the slow speed two strokes, but due to the higher speeds tend to have （） maintenance intervals.”相关的问题
A、The medium speed 4-stroke trunk piston engine B、The low speed 2-stroke crosshead engine C、The medium speed 2-stroke crosshead engine D、The low speed 4-stroke trunk piston engine
A、To reduce the main engine speed B、To increase the main engine speed C、To govern the main engine speed D、To fix the propeller shaft
A、Slow speed diesel engines B、Medium-speed diesel engines C、Steam engines D、Gasoline engines
A、a single, long-stroke, slow-speed, turbocharged, two-stroke diesel engine B、a single, long-stroke, medium-speed, turbocharged, four-stroke diesel engine C、two medium-speed, turbocharged, four-stroke diesel engines D、a variable-speed AC generator
A、A.slow-speed diesel B、B.medium-speed diesel C、C.high-speed diesel D、D.constant-speed diesel
A、fluctuates with the engine speed to some extent, independent of the engine speed B、keeps constant at all engine speed, dependent on the engine speed to some extent C、keeps constant at all engine speed, independent of the engine speed D、is decided by the engine speed, constant at all engine speed
客服
TOP
查看正确答案
