1934| 0
|
法因2532角鋼生產線,,加工Q420鋼時不定向的出現鐵屑變黑或有被灼燒的痕跡 |
小黑屋|手機版|Archiver|機械社區(qū) ( 京ICP備10217105號-1,,京ICP證050210號,,浙公網安備33038202004372號 )
GMT+8, 2025-2-25 12:26 , Processed in 0.065779 second(s), 19 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.