3430| 7
|
GB/T 17395-2008 無縫鋼管尺寸、外形、重量及允許偏差 |
| ||
| ||
| ||
| ||
| ||
| ||
| ||
Archiver|手機版|小黑屋|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,浙公網(wǎng)安備33038202004372號 )
GMT+8, 2025-9-1 22:57 , Processed in 0.081350 second(s), 18 queries , Gzip On.
Powered by Discuz! X3.5 Licensed
© 2001-2025 Discuz! Team.