强弱电电线电缆桥架计算表
导体种类下限上限2x0.7510.61.26.48.02x0.7520.61.26.68.42x1.010.61.26.88.42x1.020.61.26.88.82x1.510.71.27.69.42x1.520.71.27.810.02x2.510.81.28.610.52x2.520.81.29.011.52x410.81.29.611.52x420.81.210.012.52x610.81.210.512.52x620.81.211.014.02x1021.01.514.017.53x0.7510.61.26.88.43x0.7520.61.27.08.83x1.010.61.27.0...
2025-02-20
233.5KB 70 页 10
4
2龙币