Two ends of a titanium alloy bar are respectively clamped in the upper clamping head (4) and a lower clamping head (3);

将钛合金棒材的两端分别装夹在上夹头（4）和下夹 头（3）内；

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Conclusion Clamping the front part of the inferior vena cava can solve the returning obstacles of the lower limb vein (during no liver period).

结论肝移植术中可以采用下腔静脉壁前半钳夹，解决无肝期下肢静脉回流障碍。

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The hydraulic clamping device can lower the labor intensity and improve the work efficiency in disassembling rollers of the rolling mill.

采用这种液压抱紧装置拆卸轧机的轧辊，可降低劳动强度，提高工作效率。

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