Our products include: magnetic drill, threading machine, hollow bit and rail drill.

经营产品为：磁力钻，攻丝机，空心钻头及钢轨钻头。

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With its panoramic camera and microscope its rock drill spectrographs and magnetic dust collector the robot will search for clues about the watery past of that desert world.

利用全景相机、显微镜、钻岩机、光谱摄影机及磁力集尘器，巡回者号将寻找这个荒芜世界过去是否有水存在的线索。

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As such, magnetic particle inspection for the screw thread of the drill collar is very necessary and important.

因而钻铤内外螺纹的磁粉检测十分必要和重要。

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In ranging, they withdraw the drill pipe and put down an electrical cable and actually try and sense the magnetic field around the wellbore.

WHITEHOUSE: Press Briefing