How To Use drill rod In A Sentence
- The results showed that there are good comprehensive mechanical properties in the geological drill rod welded by friction welding.
- There were a lot of difficulties when the traditional fatigue lifespan assessment method is used in evaluating drill rod lifespan.
- Equipped with hydraulic holder and hand powered unscrewer, to untighen the drill rod easily.
- The results revealed that the non homogeneous distribution of the carbide caused the "zonal structure" appeared in the joint of drill rod which is hardened and high temperature tempered.
- The results revealed that the non homogeneous distribution of the carbide caused the "zonal structure" appeared in the joint of drill rod which is hardened and high temperature tempered.
- There were a lot of difficulties when the traditional fatigue lifespan assessment method is used in evaluating drill rod lifespan.
- The results showed that there are good comprehensive mechanical properties in the geological drill rod welded by friction welding.