5519| 9
|
C含量對(duì)于鋼材的性能影響--原因大討論 |
點(diǎn)評(píng)
哈哈,,很難想象明年論壇還會(huì)有什么問(wèn)題,俺看有些標(biāo)題俺就笑了,,假如俺當(dāng)年問(wèn)這個(gè),,估計(jì)被師父從樓上直接就踹到樓下去了,哈哈,,
| ||
| ||
| ||
| ||
| ||
| ||
| ||
小黑屋|手機(jī)版|Archiver|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, 2025-2-13 19:40 , Processed in 0.066664 second(s), 18 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.