标准编号:GBJ 142-1990 中文名称:中、短波广播发射台与电缆载波通信系统的防护间距标准英文名称:Standards for protective space between medium and short wave radio emission stations and cablecarrier ...
标准编号:JGJ 196-2010 中文名称:建筑施工塔式起重机安装、使用、拆卸安全技术规程 英文名称:Technical specification for safety installation operation and dismantlement of tower crane in construction标...