bone hand drill

常見例句

雙語例句

• When used, the left-hand tap is put into a drill hole of a drilled broken bone, and then operated by a left hand to make left-hand internal threads.
  使用時，將左旋絲錐 放入鉆好的斷骨的鉆孔中，左旋轉(zhuǎn)操作即可，鉸制出左旋內(nèi)螺紋。
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