flat flangeplain straight face flange平面: plane; two dimensions; flat ...凸缘: flange; bourrelet; lug; rim双面凸缘轮: double flanged wheel平面凸轮: face cam; planar cam; plane cam; two dimensional cam平面凸轮机构: planar cam mechanism下载手机词典可随时随地查词查翻译
