![]() |
高速7000转/min ,轴承怎么润滑,怎么密封 |
|
||
|
||
|
||
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, 2025-1-28 02:26, Processed in 0.059896 second(s), 16 queries , Gzip On.
? 2001-2017Comsenz Inc.