buttless thread

• 锯齿螺纹

buttless thread的用法和样例：

例句

1. When it comes to handling the hydraulic force of high internal pressures, the brute strength of the buttress thread is clearly the best.
   如果所处理的流体介质具有很高的内部静水压力，则坚固结实的锯齿螺纹就是最好的选择。