oval flange椭圆: oval; oval-shaped; ellipse; ...凸缘: flange; bourrelet; lug; rim半圆凸缘: convex moulding椭圆凸镜状: lentelliptical椭圆凸轮: elliptic cam下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:椭圆凸缘，即可在微信中查询翻译
