There was a bone pin that may have been from a piece of clothing such as a leather coat.
有一支骨头做的别针，可能是他穿的衣服(例如一件皮大衣上的)。
He returned to work earlier this month after successful surgery to plug a pin-size hole in the bone covering the semicircular superior canal in one of his ears.
本月早前，在将覆盖着上半规管的引脚大小的骨头缺口填补的手术成功之后，他重新回到了工作岗位。
A tip part of the lock pin is provided with a section of external thread for screwing into the high polymer material column in the lock hole of the intramedullary nail and bone cortex.
锁钉尖端部分加工一段用于旋入髓内针锁孔中高分子材料柱体和骨皮质的外螺纹。
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