本文研究了发动机压缩比和点火提前角对液化石油气发动机性能的影响。
The research discussed the influence of compression ratio and ignition advanced angle to performance of LPG engine.
由生成的放热规律曲线分析了液化石油气发动机的燃烧特性，并提出了改善液化石油气发动机的性能的措施。
Then it analyzes the combustion characteristic of the LPG engine based on the curve of the heat release rate, and puts forward the measure of improving the performance of the LPG engine.
发动机性能试验与排放试验表明，该液化石油气发动机完全能够满足城市大型公共汽车和载货汽车的使用要求。
It is shown by the engine performance tests and emission tests that LPG engine is completely able to meet the requirements of city omnibuses and trucks.
介绍了与叉车配套的柴油机改装成燃用液化石油气（LPG）发动机的台架试验结果。
The test results of an electronically controlled LPG engine, which was refitted from a forklift diesel engine, have been introduced.
试验结果表明，液化石油气-柴油双燃料发动机可得到与柴油机相类似的性能。
The test results show the LPG/diesel double fuel engine can obtain similar performance to a diesel engine.
本文从液化石油气（LPG）的理化特性和燃烧特点出发，阐述了LPG作为发动机燃料的优缺点。
This paper discusses the advantages and disadvantages of LPG as engine fuel from its physical and chemical properties and combustion characteristics.
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。
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。
Yunnan locate in plateau, engine inflate efficiency drop, liquefied petroleum gas device and engine mismatch, lack the essential plateau and adjust the technological scheme.
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