11674| 2
|
焊縫質(zhì)量評(píng)定級(jí)別BK,CK,BS等是什么意思? |
| ||
| ||
| ||
Archiver|手機(jī)版|小黑屋|機(jī)械社區(qū) ( 京ICP備10217105號(hào)-1,京ICP證050210號(hào),浙公網(wǎng)安備33038202004372號(hào) )
GMT+8, 2025-7-28 22:58 , Processed in 0.072542 second(s), 16 queries , Gzip On.
Powered by Discuz! X3.5 Licensed
© 2001-2025 Discuz! Team.