engine knock

名词 n.
中文释义

英文释义

名词 n.
  1. a rattling, pinging, or tapping sound caused by improper combustion, where the air-fuel mixture ignites spontaneously in the cylinders before the spark plug fires, or in multiple spots simultaneously uncountable
    — Once leaded fuel solved the problem of engine knock, cars quickly displaced horses and motorised transportation took over the world.
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