range of operating speeds造句
造句與例句
手機版
- The "'power band "'of an engine or electric motor refers to the range of operating speeds under which the engine or motor is able to operate efficiently.
- Close-ratio transmissions are generally offered in sports cars, in which the engine is tuned for maximum power in a narrow range of operating speeds and the driver can be expected to enjoy shifting often to keep the engine in its power band.
- Since the timing of this process is determined mainly by exhaust system geometry, which is extremely difficult to make variable, correct timing and therefore optimum engine efficiency can typically only be achieved over a small part of the engine's range of operating speed.
- While engines and motors have a large range of operating speeds, the power band is usually a much smaller range of engine speed, only half or less of the total engine speed range ( electric motors are an exception see Electric Motors below ).
- Close-ratio transmissions are generally offered in sports cars, sport bikes, and especially in race vehicles, where the engine is tuned for maximum power in a narrow range of operating speeds, and the driver or rider can be expected to shift often to keep the engine in its power band.
- It's difficult to see range of operating speeds in a sentence. 用range of operating speeds造句挺難的
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