Methods: to design nasolabial fold axis flap to local shift and repair upper lip defect because of tumour and wound.

方法：对于因肿瘤、创伤所至的上唇部缺损，设计鼻唇沟轴型皮瓣局部转移修复。

Methods According to the size of the surface of the wound, the skin flap was designed. Using the body surface reflection of the arteria dorsalis pedis as the axis.

方法以足背动脉的体表投影为轴线，根据受区创面范围大小，设计足背皮瓣。

Butterfly valve is closed parts (valve flap or disc for disc), around the valve axis of rotation to achieve the open and close a valve, in the pipeline mainly as shut off and throttling effect.

蝶阀是指关闭件(阀瓣或蝶板)为圆盘，围绕阀轴旋转来达到开启与关闭的一种阀，在管道上主要起切断和节流作用。