1700| 0
|
[求助标准] 求助《BS 5860-1980 水轮机、蓄水泵及涡轮泵的效率测定方法(热力学法) 》规范 |
小黑屋|手机版|Archiver|电力建设网站 ( 苏ICP备16030970号-1 )|网站地图
GMT+8, 2024-5-18 11:09 , Processed in 0.191889 second(s), 22 queries .
Powered by Discuz! X3.4 Licensed
© 2001-2023 Discuz! Team.