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单词 pre-ignition
释义

Definition of pre-ignition in English:

pre-ignition

noun priːɪɡˈnɪʃ(ə)n
mass noun
  • The premature combustion of the fuel–air mixture in an internal combustion engine.

    (内燃机)提前点火,预燃

    Example sentencesExamples
    • High-octane fuel simply allows the higher pressures and temperatures in these high-output engines by preventing pre-ignition.
    • To run an engine on unleaded fuel it may be necessary to retard the initial timing to prevent detonation and/or pre-ignition.
    • Early ignition or runaway pre-ignition causes higher combustion chamber temperatures that can wreck the engine.
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更新时间:2025/8/14 8:36:29