tooth root

常见例句

On the assumption that the displacement of tooth root was rigidity, present studies rarely consider the influence of periodontal ligament and alveolar born.
目前的研究中，多數把牙根所受的約束考慮成剛性約束，很少考慮到牙周膜和牙槽骨的影響。
This paper discussed the relationship between the involute pitch of tooth root and tooth profile involute in hobbing.
本文闡述了滾刀滾齒時齒輪齒根過渡曲線的延長漸開線的等距線與齒輪齒形漸開線的關系。
To avoid the saddle-backing on the tooth root, the undercutting problem in the rough-plane process should be solved before heat treatment process.
爲避免在精加工後齒形根部畱有凸台，在熱処理前的粗加工時，就應該解決“根切”問題。