curry teehee
2021-04-07T03:24:48+00:00
[img]https://img.nga.178.com/attachments/mon_202104/16/-7Qrce1-djz9K11T3cSsg-lc.jpg.medium.jpg[/img]如图，这几个装置是什么，[img]https://img.nga.178.com/attachments/mon_202104/16/-7Qrcew-btbmK28T3cSsg-lc.jpg.medium.jpg[/img]有啥用？