愉快吗
发表于 2025-4-1 05:49:33
Sag and tension calculations, . or . (Figure 14.1) will be formed due to the balance between conductor dead loads and tensile forces. The vertical distance of the conductor to the line connecting both attachment points A and B is called the ..
羞辱
发表于 2025-4-1 08:26:52
Power Systemshttp://image.papertrans.cn/o/image/705246.jpg