8楼: Originally posted by 专送一血 at 2017-04-20 10:43:36
我做碳钢的，做了一个礼拜没出来，放弃了 哎 0.0 总的来说就是饱和苦味酸加水，要看显微组织就加点盐酸，海鸥是相当于缓蚀剂。一般是要水浴，大概60度。师兄跟我说海鸥是缓蚀剂，还要水浴，我就一脸的懵逼，搞不懂。 ...

11楼: Originally posted by 小猫咪吃鱼 at 2017-04-21 19:36:51
好哒，感觉自己还是没有耐心呀，多谢啦！
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3楼: Originally posted by ruirui4598 at 2017-04-18 19:21:55
苦味酸加洗洁精要加热80度左右再放入试样侵蚀至表面深色，再在低速抛光，反复几次即可