• The working principle, the structure and the constitution of the rotation ring for the artificial abortion apparatus are introduced. The preparation method of the rotation ring is discussed.

    介绍旋动人工流产器的工作原理结构组成探讨旋流制备方法

    youdao

  • The working principle, the structure and the constitution of the rotation ring for the artificial abortion apparatus are introduced. The preparation method of the rotation ring is discussed.

    介绍旋动人工流产器的工作原理结构组成探讨旋流制备方法

    youdao

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