• 目的介绍一种简单实用较精确测量狭窄气管截面积方法

    ABSTRACT Objective to introduce a simple and exact method which can be used to measure cross-sectional areas in large airways.

    youdao

  • 利用本实用新型吸气消音器,通过调整优化面积及其 通口面积,以达到更的吸气效率降噪效果。

    The utility model can regulate and optimize the sectional areas of the suction pipes and the bypass pipe, thereby ensuring good suction efficiency and noise reduction effect.

    youdao

  • 利用本实用新型吸气消音器,通过调整优化面积及其 通口面积,以达到更的吸气效率降噪效果。

    The utility model can regulate and optimize the sectional areas of the suction pipes and the bypass pipe, thereby ensuring good suction efficiency and noise reduction effect.

    youdao

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