With engineering design and deal with myself advice about electric power supply, line construction, lamp fitting.
结合工程设计，对应急照明的供电、线路敷设、灯具控制等提出了一些看法。
Adjustable fitting; can be used both with lamp bases and with ceiling cord sets and big or small incandescent bulb.
固定件可调节；可与灯座和天花板吊灯及大小白炽灯泡并用。
Adjustable fitting; can be used both with lamp bases and with ceiling cord sets and big or small incandescent bulb.
固定件可调节；可与灯座和天花板吊灯及大小白炽灯泡并用。
应用推荐