常见例句双语例句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.使用时，将左旋丝锥 放入钻好的断骨的钻孔中，左旋转操作即可，铰制出左旋内螺纹。ip.com 返回 bone hand drill