![]() |
鋼鐵材料命名規(guī)則!為什么普通碳素結(jié)構(gòu)鋼的牌號(hào)是用屈服值表示? |
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, 2025-7-19 18:50 , Processed in 0.061492 second(s), 12 queries , Gzip On.
Powered by Discuz! X3.5 Licensed
© 2001-2025 Discuz! Team.