|
1614| 0
|
淬火裂纹及预防措施 |
小黑屋|手机版|Archiver|机械必威体育网址 ( 京ICP备10217105号-1，京ICP证050210号，浙公网安备33038202004372号 )
GMT+8, 2024-11-28 07:44 , Processed in 0.050020 second(s), 15 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.
发表于 2010-5-23 18:22:18
QQ好友和群
收藏
淘帖
问题专业，描述清楚
伸手党/灌水/看不懂