设备;装备
Specification for TDM/FDM 60-channel transmultiplexing equipments used in the telecommunication network
GB/T12171-1990TDM/FDM60路复用转换设备进网要求
General principles for low-temperature insulation technique of equipments and pipes
设备及管道保冷技术通则
Equipments and components used in cabled distribution systems primarily intended for television and sound signals--Part 5: Generic specifications for channel converter
电视和声音信号的电缆分配系统设备与部件第5部分:频道变换器通用规范
Equipments and components used in cabled distribution systems primarily intended for television and sound signals--Part 4: Generic specifications for channel processor
电视和声音信号的电缆分配系统设备与部件第4部分:频道处理器通用规范