“下气缸”的概念、定义、翻译、参考文献-科学参考

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单词	下气缸
释义	下气缸 lower cylinder
随便看	back-pressing method back pressure backpressure back-pressure curve back pressure evaporator back pressure extraction turbine backpressure extraction turbine back-pressure manometer backpressure manometer backpressure operation backpressure regulation backpressure regulator back pressure regulator back-pressure-relief port back pressure relief valve back-pressure testing backpressure turbine back-pressure valve backpressure valve back print method backprojection back projection operation back-projection slide back prop back pull