... 八钝: haccho gane 钝钻: blunt drill 钝尾部: blunt afterbody ...
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a blunt-tipped drill 椎弓根钝头钻
blunt t drill 钝钻
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Objective to design a blunt-tipped drill of pedicle screw placement, in order to decrease the accident of pedicle violations during pedicle screw placement.
目的设计一种新型椎弓根钝头钻，以期减少椎弓根螺钉植入的穿破率。
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