钢板+青铜球粉+改性PTFE三层复合材料衬套、垫片、法兰 ...
我的相册
|免责声明|手机版|Archiver|氟塑料论坛 ( 苏ICP备14011106号-3 )
GMT+8, 2024-3-29 20:51 , Processed in 0.041728 second(s), 13 queries .
Powered by Discuz! X3.5
© 2001-2023 Discuz! Team.