dedendum distance齿根距离
dedendum cone齿根锥
dedendum coefficient谷高系数
dedendum circle[机] 齿根圆;齿根;齿根圆英语
Outer dedendum大端齿根高
Mean dedendum中点齿根高
dedendum flank下齿面;下半齿面
tooth dedendum齿根高
dedendum undercutting齿根根切