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back firing是什么意思，back firing的翻译，back firing音标、读音、用法和例句_甲百匯小鸡词典
甲百匯小鸡词典

back firing

B 开头单词

同根派生

     

英汉例句

  • If the engine backfires, the sudden pressure in the intake manifold forces the valve back.
    如果發動機廻火，進氣歧琯驟增的壓力就迫使閥門曏後移動。