![]() |
首先我要說,中國的制造業(yè)量大但是還不夠發(fā)達。我是學機械設計與制造的,談一些我... |
| ||
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, 2025-7-18 22:38 , Processed in 0.063530 second(s), 13 queries , Gzip On.
Powered by Discuz! X3.5 Licensed
© 2001-2025 Discuz! Team.