发布时间:2025-02-01 19:36:45
hdpe双壁波纹管
公称内径 DN/ID 最小平均内径
dim、min 最小层压壁厚
emin 最小内层壁厚
e1.min 接合长度
Amin
225 220 1.7 1.4 55
300 294 2.0 1.7 64
400 392 2.5 2.3 74
500 490 3.0 3.0 85
600 588 3.5 3.5 96
700 689 4.0 4.0 102
800 785 4.5 4.5 118
1000 985 5.0 5.0 140
1200 1185 5.0 5.0 162
楼主可以上1688.cn上面看的,网站上有啊。
图中这种高层的中间户南北不通透在26层这样的房子怎么解决通风问题
2025-02-01 19:36:45 2025-02-01 19:36:45 2025-02-01 19:36:45 2025-02-01 19:36:45 2025-02-01 19:36:45 2025-02-01 19:36:45 2025-02-01 19:36:45 2025-02-01 19:36:45 2025-02-01 19:36:45 2025-02-01 19:36:45 2025-02-01 19:36:45 2025-02-01 19:36:45 2025-02-01 19:36:45 2025-02-01 19:36:45 2025-02-01 19:36:45 2025-02-01 19:36:45 2025-02-01 19:36:45 2025-02-01 19:36:45 2025-02-01 19:36:45 2025-02-01 19:36:45 2025-02-01 19:36:45 2025-02-01 19:36:45 2025-02-01 19:36:45 2025-02-01 19:36:45宿舍在高速路附近天天车来车往灰尘很多阳台的窗是内开的纱窗是回卷抽拉式的请问各位大神怎么样才
2025-02-01 19:36:45 2025-02-01 19:36:45