In this system the crankshaft rotating Angle, where the peak combustion pressure occurs, is taken to be a feed back signal, so that the ignition timing of the engine is able to be controlled.
该控制系统利用最高燃烧压力点的曲轴转角作为反馈信号，实现其对发动机点火正时的控制。
The necessary back-pressure is often created and controlled by a valve that is set to operate under the desired range of conditions.
所必需的回压通常由一个阀来产生和控制，此阀被调定在所要求的条件范围内进行工作。
The necessary back-pressure is often created and controlled by a valve that is set to operate under the desired range of conditions.
所必需的回压通常由一个阀来产生和控制，此阀被调定在所要求的条件范围内进行工作。
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