This was thought to be due to the thin cortical walls as a result of the larger reamer diameter in this group.

应该是因为该处由较大直径的扩孔钻导致的骨皮质较薄。

youdao

This was thought to be due to the thin cortical walls as a result of the larger reamer diameter in this group.

应该是因为该处由较大直径的扩孔钻导致的骨皮质较薄。

youdao