ICS27.140F22备案号:J1387-2012DL中华人民共和国电力行业标准PDL/T5113.4一2012代替SDJ249.4一1988水电水利基本建设工程单元工程质量等级评定标准第4部分:水力机械辅助设备安装工程Quality degree evaluate standard of unit engineeringfor hydropower and water conservancyconstruction engineeringPart 4:Auxiliary equipment of hydraulicmachinery installation engineering2012-01-04发布2012-03-01实施国家能源局发布