This choke valve, during cold engine starting, starts fuel to flow through the main system prematurely.
在冷启动时，阻风门使燃油提早进入主供油装置。
The mathematical models of tractor set, engine, clutch and the moment of tractor set resistance during the tractor starting have been set up.
建立了拖拉机起步过程中机组、发动机、离合器和机组阻力矩的数学模型。
The engine transient speed, fuel injection, combustion process and the cyclic variations in some performance indexes are investigated on a small single cylinder diesel engine during cold-starting.
测量分析小型手摇起动柴油机冷起动过程的瞬时转速、喷油及燃烧过程特征参数在每一循环中的变化情况；
The engine transient speed, fuel injection, combustion process and the cyclic variations in some performance indexes are investigated on a small single cylinder diesel engine during cold-starting.
测量分析小型手摇起动柴油机冷起动过程的瞬时转速、喷油及燃烧过程特征参数在每一循环中的变化情况；
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