blunt drill

常見例句

雙語(yǔ)例句

• Objective To design a blunt-tipped drill of pedicle screw placement, in order to decrease the accident of pedicle violations during pedicle screw placement.
  目的設(shè)計(jì)一種新型椎弓根鈍頭鑽，以期減少椎弓根螺釘植入的穿破率。
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