梯級式橋架
梯(ti)級式低壓(ya)(ya)高(gao)壓(ya)(ya)電(dian)(dian)纜(lan)電(dian)(dian)線(xian)高(gao)壓(ya)(ya)電(dian)(dian)纜(lan)電(dian)(dian)線(xian)橋架(jia)（低壓(ya)(ya)高(gao)壓(ya)(ya)電(dian)(dian)纜(lan)電(dian)(dian)線(xian)吊(diao)架(jia)）是由(you)托盤的(de)或(huo)梯(ti)架(jia)的(de)漸(jian)漸(jian)段、彎通、控件(jian)與(yu)托臂(bei)（臂(bei)式吊(diao)架(jia)）、吊(diao)架(jia)等(deng)形成(cheng)具有著(zhu)密接支承低壓(ya)(ya)高(gao)壓(ya)(ya)電(dian)(dian)纜(lan)電(dian)(dian)線(xian)的(de)硬(ying)性(xing)組(zu)成(cheng)操作系統之全名。
