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back pressure英英字典_back pressure剑桥英语解释_back pressure柯林斯英文解释_果味酸柯林斯词典
果味酸柯林斯词典

back pressure

B 开头单词

柯林斯词典

    back pressure

  • 1. N the pressure that opposes the motion of a piston on its exhaust stroke in an internal-combustion engine 背压

  • 2. N the exhaust pressure in external combustion engines (外部内燃机的)排气压力

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