发动机配件类：齿轮室、气门室罩盖、 链轮室罩盖、预热器座、水泵泵盖、进气歧管、泵箱；

Engine fittings series:Gear chamber, Cavaera cover, Sprocket rooms cover, Preheaterbase, Water pump Cover, Intake manifold, Pump box.

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为此，对一部分解放牌侧置气门汽油机的燃烧室改造为球形，提高压缩比到7.2：1，并改进进气系统，从而使功率、扭矩和燃油经济性都有所提高。

So we improve the old truck gasoline engine with side valve by raising its compression ratio to 7.2: 1 by using partial spherical chamber. The intake system is also improved.

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节气门(11)控制进入燃烧室的空气量。

A throttle valve (11) controls the amount of air admitted to the combustion chamber.

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