oriented drilling device 定向钻井装置
eccentric drilling device [油气] 偏心钻具
centre drilling device 打中心孔装置
auxiliary drilling device 辅助钻探装置
fertilizer drilling device 施肥装置
Underwater drilling device 水下钻孔机
top drive drilling device 顶部驱动钻井装置
On 4 cadavers, simulative operation and external fixator was fixed one by one. The feasibility of drilling device and the security of the operation were tested.
3．模拟手术及支架安装训练：在4个膝关节标本上进行模拟手术，检验导向器的可靠性及手术操作的安全性。
参考来源 - 关节镜辅助下新型外固定架治疗胫骨平台骨折的基础研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The utility model belongs to a hole drilling device, specifically, a sub-immersed liquid hole drilling device.
本实用新型属于一种钻孔装置，具体涉及一种地浸注液钻孔孔口装置。
The utility model relates to a square complement core for a well drilling process, which belongs to an appliance of a well drilling device.
本实用新型是一种在钻井过程中使用的方补芯，属钻井设备的器具。
The cardan type universal joint automatic drilling device can improve the production efficiency, reduce the scrap rate and have high safety performance.
能够提高生产效率，降低报废率，并且 安全性能高。
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