In a two-stroke gasoline engine, exhaust gas pollution is especially severe when it burns rich mixture of blended fuel.

二冲程汽油机排气污染严重，尤其是燃烧混合油、浓混合气时有害物排放量大。

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In a two-stroke gasoline engine, exhaust gas pollution is especially severe when it burns rich mixture of blended fuel.

二冲程汽油机排气污染严重，尤其是燃烧混合油、浓混合气时有害物排放量大。

youdao