楼主: admin
|
GB/T 3480.1-2019 直齿轮和斜齿轮承载能力计算 第1部分:基本原理、概述及通用影响... |
发表于 2022-5-1 17:09
|
显示全部楼层
| ||
发表于 2022-8-12 18:39
|
显示全部楼层
| ||
GMT+8, 2024-4-28 16:29 , Processed in 0.175448 second(s), 9 queries , MemCache On.
Powered by Discuz! X3.4 Licensed
© 2001-2023 Discuz! Team.