reamer ; rimer ; underreamer
... expanding gas 膨胀气 expanding hole opener 扩孔器 expanding latch segments 伸展式锁块 ...
基于132个网页-相关网页
金刚石扩孔器系岩芯钻进中与钻头配套使用的重要扩孔工具。
Diamond Reaming Shells are important tools to be used together with bits.
扩孔器远侧与钻杆相连，当预扩孔作业完成后，可以将扩孔器从近侧拖回到远侧。
Drill pipe is attached to the far side of the reamer so that it can be pulled back from the near side, once the pre-reaming operation is complete.
在研制锚杆机械扩孔器的基础上，进行了扩体型锚杆的工艺试验和抗拔试验研究。
The technological and uplift tests of underreamed anchors are carried out based on the development of mechanical underreamed devices of anchorage.
应用推荐