由于这个原因，要使发动机迅速启动，必须通过化油器向每个汽缸提供浓的可燃混合气。
For this reason, it is necessary to provide extremely rich mixture from the carburetor in order to provide sufficient combustible mixture to all cylinders for quick starting.
当您启动发动机的时候，可以更快地把机油泵送到轴承和凸轮轴上，从而能够更迅速地保护发动机。
Allows faster pumping of oil to the bearings and camshaft for greater protection when starting your engine.
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