短语词组短语feed preparation unit reel 折卷机cone type feed reel 圆锥式开卷机;定心圆锥式开卷机type feed reel 定心圆锥式开卷机cone -type feed reel 定心圆锥式开卷机reel feed 卷盘馈入reel -feed 卷筒纸给纸 返回 feed reel