Onthe basis of above judgement, this system can also discover three kinds of accidents the drilling head break, the steel rope break and dr…

还能对断钻头、断绳和卡钻三种故障进行检测和报警。

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The innovated steerable mud-penetrator including the drilling head, drive mechanism, detection method and control cables are discussed in detail.

它包括攻泥头、驱动机构、检测部分以及控制电缆。

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The drilling head rotational speed can adjust, the drill hole efficiency is very high, the hole position is accurate, and it is suitable for the construction glass and the furniture glass processing.

钻头转速可调，钻孔效率高，孔位准确，适用于建筑玻璃与家具玻璃的加工。

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Deep brain stimulation begins by doctors drilling two small holes in the head of the patient.

VOA: special.2009.02.03

Today he announced that he had removed Andy Inglis from his position as Head of Drilling.

FORBES: BP's Dudley Cleans House Post-Deepwater Debacle

Now, does education emphasize drilling information into the head of the student, or should it emphasize sort of creative or critical thinking?

BBC: News | Monitoring | President Clinton on Shanghai radio phone-in

Earlier in the day, the court heard recorded testimony from former chief executive Tony Hayward, and from the former head of drilling operations, Kevin Lacy, who appeared to contradict one another.

BBC: BP 'egregious' for drilling Macondo oil spill well