Yunnan locate in plateau, engine inflate efficiency drop, liquefied petroleum gas device and engine mismatch, lack the essential plateau and adjust the technological scheme.

云南地处高原，发动机充气效率下降，而且液化石油气装置与发动机不匹配，缺乏必要的高原调整技术方案。

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Therefore, it is important to study by test on the mixing ratio and emission of diesel engine running with liquefied petroleum gas.

因此，通过试验研究柴油机燃用液化石油气的掺烧比和排放量，具有重要意义。

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