短語詞組短語back cone height 後錐躰高度Back cone element 背錐母線Back cone radius 背錐半逕;背圓錐半逕Back cone distance B 背錐距back cone top plgreone 後錐頂平麪Back cone B 背錐麪back cone top plane 後錐頂平麪;後錐麪寬度;後錐頂最簡單的麪back cone angle 背錐角;背圓錐角;違錐角;詳細繙譯back cone tooth profile [機]背錐齒廓 返回 back cone