| 释义 |
pre·ig·ni·tion AHD[prē'ĭg-nĭshʹən] D.J.[ˌpriːɪgˈnɪʃən]K.K.[ˌpriɪgˈnɪʃən]n.（名词）- The ignition of fuel in an internal-combustion engine before the spark passes through the fuel, resulting from a hot spot in the cylinder or from too great a compression ratio for the fuel.提前点火：由内燃机中的火星穿过燃料之前的燃烧，是因油缸热点过高或对燃料的过大压缩比造成的
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