热门回答
- 2024-04-13小花匠M
镀锌钢管理论重量表公称口径壁厚(mm)理论重量(Kg/m)(mm)(in)151/22.751.34203/42.751.732513.252.573211/43.253.324011/23.54.075023.55.176521/23.757.0480348.841004411.51255415.9415064.518.89
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- 2024-04-07~~简单的幸福~~
镀锌钢管理论重量表公称口径壁厚(mm)理论重量(Kg/m)(mm)(in)151/22.751.34203/42.751.732513.252.573211/43.253.324011/23.54.075023.55.176521/23.757.0480348.841004411.51255415.9415064.518.89
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- 2024-04-15激排爱畅想
镀锌电线管理论重量表答:(直径-壁厚)x壁厚x0.0254=(重量)公斤/米直径、壁厚:mm。
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