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胶箍钻杆是我队一项比较成熟的经验,多年来生产实践证明,它不仅是保证钻杆在孔内正常回转,减少钻杆拆断事故,同时促使钻杆在孔内以良好状态回转,保持钻具稳定
Drill pipe is our team a more mature experience, production practice over the years proved that it is not only to ensure the normal rotation of the drill pipe in the hole to reduce the drill pipe breaking accident at the same time to promote the drill pipe in the hole to a good state of rotation , Keep drilling stable