The paper first detailedly describes and analyzes the general gasoline engine emission regulations.
本文首先就当前通用汽油机的排放法规进行了详细的介绍和分析。
参考来源 - 小型通用汽油机排放的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Carburetor gasket seal, small general gasoline engine sealing, air filter separator device sealing, sealing, crankcase sealing, cylinder head gaskets, insulation gasket, exhaust pipe sealing.
小型通用汽油机用垫片，化油器密封，隔板器密封，空气滤清器密封，曲轴箱密封，汽缸头垫片，隔热罩垫片，排气管密封。
Fuel burned provides a broad engine classification. Two types of fuel are in general use: gasoline and diesel oil.
按所用燃料分类是使用的较为广泛的一种分类方法。
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