ICS29.240.20CCSK47DL中华人民共和国电力行业标准DL/TXXXX—XXXX架空输电线路防舞用双摆防舞器和线夹回转式间隔棒技术条件Technicalrequirementsfordoublependulumanti-gallopingdeviceandrotatingclampspacerofo...