基本释义:

钻杆钻进

网络释义

1)rod boring,钻杆钻进

2)rodless drilling,无钻杆钻进

3)axial travel of the boring bar,钻杆进尺

4)auger drilling,螺杆钻进

5)hollow-rod drilling,空心钻杆钻进

6)drill shaft,钻杆，钻柄

用法和例句

To indicate axial travel of the boring bar,the counting assembly is formed with two counting gears that mesh with two drive gears and a differential,and a special counter.

钻杆轴向进给由钻杆和丝杆相对转动产生,为实现钻杆进尺计数,设计的计数装置由2个与传动齿轮啮合的计数齿轮、一个圆锥齿轮差速器和一个专门设计的计数器组成。