A、must churn the oil in the sump
B、is connected to the propeller shaft
C、is driven at the highest RPM
D、compensates for alignment variations between the engine and pinion gear
更多“Some medium and high-speed diesel engines require reduction gear units to provide a useful propeller speedIn most reduction gears, the bull gear（）”相关的问题
A、low and bare，but the land back of it is high and wooded B、composed of low to medium rolling hills C、well defined with rocky outcroppings D、marked by high，barren hills
A、A.high input impedance, high gain and low output impedance B、B.high input impedance, high gain and high output impedance C、C.low input impedance, low gain and high output impedance D、D.low input impedance, high gain and low output impedance
A、high flash point and high viscosity B、low flash point and high viscosity C、low heating value and high sulphur content D、high heating value and low sulphur content
A、high exhaust temperature and low firing pressure B、high exhaust temperature and high firing pressure C、low exhaust temperature and low firing pressure D、low exhaust temperature and high firing pressure
A、A.high temperature and a high viscosity B、B.high temperature and a low viscosity C、C.low temperature and a high viscosity D、D.low temperature and a low viscosity
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