檢視汽油发动机的原始碼

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名称：汽油发动机

类型：化油器式和喷射式

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汽油发动机（Gasoline Engine ）是以汽油作为[[燃料]]，将内能转化成动能的的发动机。由于汽油粘性小，蒸发快，可以用汽油喷射系统将汽油喷入[[气缸]]，经过压缩达到一定的温度和压力后，用火花塞点燃，使气体膨胀做功。汽油机的特点是转速高、结构简单、质量轻、造价低廉、运转平稳、使用维修方便。[[汽油机]]在汽车上，特别是小型汽车上大量使用。<ref>[https://www.360kuai.com/pc/977542ff1e728ff65?cota=3&kuai_so=1&tj_url=so_vip&sign=360_7bc3b157&refer_scene=so_55 提供柴油、汽油发动机！长城升顶炮越野房车40.6万元起售 ],快资讯 , 2022-03-17</ref>

是发动机各部机件的装配基体。它包括气缸盖、[[气缸体]]、下曲轴箱（油底壳）。气缸盖和气缸体的内壁共同组成燃烧室的一部分。机体的许多部分又分别是其它系统的组成部分。