发布时间:2025-02-03 05:47:46
镀锌钢管理论重量表
公称口径壁厚(mm)理论重量(Kg/m)
(mm)(in)
151/22.751.34
203/42.751.73
2513.252.57
3211/43.253.32
4011/23.54.07
5023.55.17
6521/23.757.04
80348.84
1004411.5
1255415.94
15064.518.89
我在湖北鄂州花湖买的首套房子现在要拿钥匙了开发商说要交一些费用请问有那些
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