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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_欧米惠必应词典
欧米惠必应词典

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.
    如果发动机回火，进气歧管骤增的压力就迫使阀门向后移动。