closed torus

工程相关外语-轻松数控网 ... 闭合曲线 closed curve 无生命环 closed torus 细分刻度 close-divided ...

美英加陆军规格_馆档网 ... "闭合曲线"," closed curve" "闭合环"," closed torus" "细分刻度"," close-divided" ...

図学辞书(简易版) - 日本図学会_馆档网 ... 并列寸法记入法 parallel dimensioning 闭円环 closed torus 闭曲线 closed curve ...