|
1668| 1
|
[求助] 51CrV4材料的弹簧淬火和回火后弹簧力衰减10%? |
|手机版|Archiver|热加工行业论坛
( 苏ICP备18061189号-1|豫公网安备 41142602000010号 )
版权所有:南京热之梦信息技术有限公司
GMT+8, 2025-12-14 18:46 , Processed in 0.112273 second(s), 25 queries .
Powered by Discuz! X3.4
Copyright © 2001-2020, Tencent Cloud.