1.2.2 JKLYJ—120

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℃400.070.080.090.110.140.180.250.340.45410.070.080.10.120.150.190.860.350.46420.080.090.10.120.150.20.870.370.48430.080.090.110.130.160.210.880.380.49440.090.10.110.140.170.220.290.390.51450.090.10.120.140.180.230.30.410.58460.090.110.120.150.180.240.320.420.54470.10.110.130.160.190.250.330.440.56480.10.120.140.160.20.260.340.450.57490.110.120.140.170.210.270.360.470.6500.110.130.150.180.220.290.380.490.62510.120.140.160.190.240.30.40.520.65520.120.140.170.20.250.320.420.540.67530.130.150.180.210.260.340.440.570.7540.140.160.180.220.280.360.460.590.72550.140.160.190.230.290.380.490.620.75560.150.170.20.250.310.40.510.640.78570.160.180.210.260.330.420.540.670.81580.160.190.2 ......     （共26895字）    [阅读本文]>>