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℃400.060.070.090.10.130.170.230.320.43410.070.080.090.110.130.180.240.330.45420.070.080.090.110.140.180.250.350.46430.070.080.10.120.150.190.260.360.48440.080.090.10.120.150.20.270.370.4 ......（本文共 15710 字 ）     [阅读本文] >>