2402| 1
|
请问谁家有耐酸\耐碱\耐90度高温,食用级的O型圈和骨架油封? |
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, 2024-11-24 19:00 , Processed in 0.050825 second(s), 16 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.