![]() |
重型起重机的伸缩臂内部结构设计---请教 |
| ||
点评
朋友做耐磨塑料的么?
评分
| ||||||||
Archiver|手机版|小黑屋|机械社区 ( 京ICP备10217105号-1,京ICP证050210号,浙公网安备33038202004372号 )
GMT+8, 2025-7-14 21:02 , Processed in 0.086333 second(s), 20 queries , Gzip On.
Powered by Discuz! X3.5 Licensed
© 2001-2025 Discuz! Team.