installation specifications meaning in English

装配指导书

The installation specification for road traffic signals
道路交通信号灯安装规范
Installation specification of electric device for load - unload machines in port
港口装卸机械电气设备安装规范
This fireplace has two simple installation specifications : medium and large
这款壁炉有两种安装简易的规格：中型和大型。
Erection of power installations , with rated voltages up to 1000 v ; chronological data of installation specifications
额定电压1000v以下的电力设备的建造.设备规范的编年