发布时间:2025-01-21 07:19:44
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。
业主与客户方面价格相差不远但双方都不肯在让步做为中介方该如何操作以及逼定技巧
2025-01-21 07:19:44 2025-01-21 07:19:44 2025-01-21 07:19:44 2025-01-21 07:19:44 2025-01-21 07:19:44工地施工用的搅拌机只需要三根火线用3只单相电表只接3根火线不接零线该怎么接
2025-01-21 07:19:44 2025-01-21 07:19:44 2025-01-21 07:19:44 2025-01-21 07:19:44 2025-01-21 07:19:44 2025-01-21 07:19:44 2025-01-21 07:19:44 2025-01-21 07:19:44 2025-01-21 07:19:44 2025-01-21 07:19:44 2025-01-21 07:19:44 2025-01-21 07:19:44 2025-01-21 07:19:44 2025-01-21 07:19:44 2025-01-21 07:19:44 2025-01-21 07:19:44 2025-01-21 07:19:44 2025-01-21 07:19:44 2025-01-21 07:19:44 2025-01-21 07:19:44 2025-01-21 07:19:44 2025-01-21 07:19:44 2025-01-21 07:19:44在这家买了http4747wwwbuddhabeadcom47大叶紫檀的佛珠我要如何鉴别是真是假呢
2025-01-21 07:19:44 2025-01-21 07:19:44