玖玖玖视频-亚洲精品1卡2卡3卡-操欧美美女-真实国产乱子伦对白视频不卡-国产乱在线-大胸美女被吃奶爽死视频-久久亚洲美女精品国产精品-天堂在线www天堂在线-久久在精品线影院精品国产-国产又粗又长又大-欧美三级一区二区-超碰在线亚洲-天天cao在线-国产偷倩视频-亚洲啪

架空線路比載計(jì)算                                                            
參數(shù)    導(dǎo)線每千米質(zhì)量q(kg)    導(dǎo)線計(jì)算直徑d(mm)    導(dǎo)線計(jì)算截面S(m㎡)    覆冰厚度b(mm)                最大風(fēng)速υ(m/s)                覆冰風(fēng)速υ(m/s)              
                                                            
數(shù)值    598.00     16.72     167.37     10.00                 30.00                 10.00                                                                        
比載名稱    自重比載g1    冰重比載g2    自重和冰重的綜合比載g3    風(fēng)重比載g4                覆冰時(shí)的風(fēng)壓比載g5                自重和風(fēng)壓構(gòu)成的總和比載g6        自重、冰重和風(fēng)壓所構(gòu)成的總和比載g7    
                υ<20m/s        υ>20m/s        υ<20m/s        υ>20m/s                    
                d>17    d<17    d>17    d<17    d>17    d<17    d>17    d<17                
比載值*0.001(N/m.m㎡)    35.01     44.27     79.28     60.58     66.08     51.49     56.17     14.78     16.13     12.56     13.71     69.97         80.65    

學(xué)習(xí)學(xué)習(xí)，共同進(jìn)步