FIR3x
2020-11-12T04:24:56+00:00
[img]https://img.nga.178.com/attachments/mon_202011/16/-7Q5-gdjlZ1rT3cSrs-fn.jpeg[/img]
小的那块是硫酸弄的 分析纯的浓硫酸
大的那块是等离子火焰烧的
[img]http://img.nga.178.com/attachments/mon_201209/14/-47218_5052bd2fa0790.png[/img][img]http://img.nga.178.com/attachments/mon_201209/14/-47218_5052bd2fa0790.png[/img][img]http://img.nga.178.com/attachments/mon_201209/14/-47218_5052bd2fa0790.png[/img]戴套要规范啊
小的那块是硫酸弄的 分析纯的浓硫酸
大的那块是等离子火焰烧的
[img]http://img.nga.178.com/attachments/mon_201209/14/-47218_5052bd2fa0790.png[/img][img]http://img.nga.178.com/attachments/mon_201209/14/-47218_5052bd2fa0790.png[/img][img]http://img.nga.178.com/attachments/mon_201209/14/-47218_5052bd2fa0790.png[/img]戴套要规范啊