|尹志春發(fā)表于 01-07 11:21生銹?<br>' G" M2 I8 X3 G: z2 _, {, H" ]
有防銹濟(jì),用硝酸<br>
一泡全白了<br>
還有氫氟酸<br>" Q! v w2 J* A4 H N
<br>
|零分貝大衛(wèi)發(fā)表于 01-07 11:20每次切割完 都會(huì)生銹?<br>- M9 R3 e4 ?5 z6 e* J. I2 B* U; J
<br>
歡迎光臨 機(jī)械社區(qū) (http://e-learninguniversity.com/) | Powered by Discuz! X3.4 |