The starting speed depends upon the type and size of the engine, its condition and the temperature of the air entering the engine.

起动转速取决于发动机的型号、大小和状态以及进入发动机的空气的温度。

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The mixture must be of varying degrees of richness to suit engine operating conditions. It must be rich (have a higher percentage of fuel) for starting, acceleration, and high-speed operation.

混合气的浓度比例可以改变，以适应发动机的运行状况。汽车在启动、加速和高速行驶时，需要含燃油浓度较高的混合气；

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Control strategy for engine running control such as starting, idling, smart power output, decrease fuel cut off, limp home and over-speed protection are designed.

设计了发动机的起动、怠速、智能功率、减速断油和跛行回家等柴油机运行控制策略。

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