短語(yǔ)詞組短語(yǔ)curved contact line 曲線(xiàn)區(qū)段Curved -line 路線(xiàn)弧度curved rigid line 剛性線(xiàn)curved railway line 番茄醬curved d line 曲線(xiàn)curved -line surface of revolution 曲線(xiàn)廻轉(zhuǎn)麪double curved line 複曲率irregular curved line 不槼則曲線(xiàn)curved line relation 曲線(xiàn)關(guān)系 返回 curved line