double-point tool

• 双刃刀具

double-point tool的用法和样例：

例句

1. A single-point cutting tool is used to cutthreads on engine lathes.
   普通车床是用单刃刀具来车螺纹的。
2. A single-point tool has only one cutting edge, while a multiple-point tool has two or more cutting edges.
   单刃刀具只有一个切削刃，而多刃刀具有两个或两个以上的切削刃。