各种线型.xls (34.5 KB)
机械制图试题.doc (115 KB)
剖面符号.xls (98 KB)
汽车变速器疲劳寿命试验台夹具系统30.dwg (409.5 KB)
|手机版|小黑屋|Archiver|汽车工程师之家
( 渝ICP备18012993号-1 )
GMT+8, 22-1-2026 20:15 , Processed in 0.198824 second(s), 18 queries .
Powered by Discuz! X3.5
© 2001-2013 Comsenz Inc.