2528
|
2
|
材料为黄铜H62的零件可以钝化处理吗? |
|
||
|
||
|
||
小黑屋|手机版|Archiver|机械必威体育网址(京ICP备10217105号-1,京ICP证050210号,浙公网安备33038202004372号)
GMT+8, 2024-5-21 10:59, Processed in 0.050500 second(s), 14 queries , Gzip On.
? 2001-2017Comsenz Inc.