※ 坛主微信号:fengguanbbs |
383| 0
|
在30米高度的楼顶部,安装一个大水箱(5m*2m*2m),求在一楼处的压力能达到多少,原来 |
数字互联
发表于 2015-1-10 08:12:46
|阅读模式
| ||
|地暖技术门户网 ( 沪ICP备12042334号-2 )
GMT+8, 2024-11-1 18:29 , Processed in 0.057122 second(s), 17 queries .
Powered by Discuz! X3.5
© 2001-2024 Discuz! Team.