1.2.4 JKLYJ—240

代表档距

Lr(m)不同气温下代表档距的安装弧垂fr(m)-40℃-30℃-20℃-10℃0℃+10℃+20℃+30℃+40℃400.060.070.090.10.130.170.230.320.43410.070.080.090.110.130.180.240.330.45420.070.080.090.110.140.180.250.350.46430.070.080.10.120.150.190.260.360.48440.080.090.10.120.150.20.270.370.49450.080.090.110.130.160.210.280.390.51460.090.10.110.140.170.220.30.40.52470.090.10.120.140.180.230.310.420.54480.090.110.120.150.180.240.320.430.55490.10.110.130.150.190.250.330.440.57500.10.120.130.160.20.260.340.460.59510.10.120.140.170.210.270.360.470.6520.110.120.150.170.220.280.370.490.62530.110.130.150.180.220.290.380.50.64540.120.130.160.190.230.30.390.520.65550.120.140.160.20.240.310.410.530.67560.130.150.170.20.250.320.420.550.69570.130.150.180.210.260.330.430.560.7580.140.160.180.2 ......     （共27050字）    [阅读本文]>>