addendumn.补遗;附录
addendum envelope(指螺旋齿轮的) 齿顶包络面
addendum distance[机] 齿冠距离
addendum increment[机] 齿冠增量
addendum correction齿顶高修正
addendum coefficient变位系数
addendum modificatio齿顶高修正;齿高变位量;变位量
addendum modification齿顶高修正,齿高变位量
addendum peak contact齿顶啮合
addendum's section line多国共有
addendum angletip angle齿顶角