23694| 28
|
ASTM A572 and A570-50對應(yīng)國內(nèi)什么材料,? |
| ||
A0572_A0572M-06高強(qiáng)度低合金鈷釩結(jié)構(gòu)鋼技術(shù)規(guī)范
| ||
| ||
| ||
| ||
小黑屋|手機(jī)版|Archiver|機(jī)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, 2025-2-22 02:43 , Processed in 0.058119 second(s), 15 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.