2820| 2
|
一般钢铁市场卖的冷拉钢是高碳钢还是低碳钢? |
| ||
Archiver|手机版|小黑屋|机械社区 ( 京ICP备10217105号-1,京ICP证050210号,浙公网安备33038202004372号 )
GMT+8, 2025-6-23 16:51 , Processed in 0.059394 second(s), 14 queries , Gzip On.
Powered by Discuz! X3.5 Licensed
© 2001-2025 Discuz! Team.