| 
 
 7823| 0
 
 | 
[行业标准] HGT 20570.4-95《泵和压缩机压差分析》 | 
 本帖被以下淘专辑推荐:
  | ||
|关于我们|网站地图|油气储运网
( 鲁ICP备11007657号-3 )
GMT+8, 2025-11-4 11:59 , Processed in 0.023614 second(s), 15 queries , Gzip On, MemCached On.
Powered by Discuz! X3.5
Copyright © 2001-2023, Tencent Cloud.