slope of needle tip

• 针尖斜面

slope of needle tip的用法和样例：

例句

1. E. After the skin has been punctured, with the beel of the needle upward, expel the skin plug that may occlude the needle.
   皮肤穿刺点做好标记后，使穿刺针针尖斜面朝上，注意别让皮肤组织堵塞针头。