Separate independently type rod group gesign , more wash and maintain easily 分开独立式棍子组设计,更便于清洗和保养。
Tandem - type rod mill 串列式线材轧机
A new type rod damping stabilizer for rotary drills ispresented . it can increase the service life of rotary bit by about 27 % and its own life is over ten thousand meters . as a result , good econom ic benefit can be obtained 介绍了牙轮钻机用的一种新型减振稳杆器,提高牙轮钻头使用寿命27 %左右,其本身使用寿命超万米,获得了良好的经济效益。