5654| 3
|
試制定板厚為20mm,接頭為對接接頭的16MnR鋼的埋弧焊工藝 |
| ||
Archiver|手機版|小黑屋|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
GMT+8, 2025-8-30 12:47 , Processed in 0.074791 second(s), 18 queries , Gzip On.
Powered by Discuz! X3.5 Licensed
© 2001-2025 Discuz! Team.