4663| 7
|
请教:不锈钢表面镀层如何降低摩擦 |
| ||
发表于 2020-5-14 07:35:05
|
显示全部楼层
点评
SPCC 表面镀锌
| ||
发表于 2020-5-14 16:19:01
|
显示全部楼层
| ||
小黑屋|手机版|Archiver|机械社区 ( 京ICP备10217105号-1,京ICP证050210号,浙公网安备33038202004372号 )
GMT+8, 2024-12-29 22:41 , Processed in 0.048417 second(s), 16 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.