这种阻风门的部分开启可以防止混合气过浓。
This partly opens the choke so that an overrich mixture is prevented.
这种阻风门的部分开启可以防止混合气过浓。
This partly opens the choke so that an overrich mixture is prevented .
当首循环混合气浓度过浓或者是过稀时，瞬态hc排放迅速增加。
The HC emissions are increased remarkably when the mixture concentration becomes too lean or too rich.
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