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；

youdao

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。

youdao

You may need to push down slightly on her lower gums to keep her from clamping down on you.

你可能需要轻轻地向下按他的下牙关，免得他的牙齿咬紧。

youdao