ChinaAutoRegs｜GB 3847-2005 英文版/English/翻译/车用压燃式发动机和压燃式发动机汽车排气烟度排放限值及测量方法
Limits and Measurement Methods for Exhaust Smoke from C.I.E. (Compression Ignition Engine) and Vehicle Equipped with C.I.E.

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