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环形管系列产品性能特点：
① 金属外壳和阻燃塑壳设计，美观大方
② 安全可靠，温升低，寿命长
③ 配有环形灯管专用四孔插头线，安装方便
④ 即开即亮，只要电压不低于150V，均可一次性启辉
FC type series product function characteristics
① The metals outer shell design with plastics outershell,beautiful big square
② The safety is dependable,and the temperature is low,and the life span is long
③ Have the wreath form the light the tube the appropriation four bore plug line,install the convenience
④ Namely open namely bright,only the electric voltage is not lower than 150V,can all a time sex open
环形管系列产品技术参数：
型 号配用灯管灯管
