ameter B：白炽灯 200W B: incandescent lamp; 2million Z：自镇汞 12W5,160W Z: from town 12W5, 160W mercury G：外镇汞灯 125W G: outside the town 125W mercury N：高压钠灯 70,100, 110 G3/4/10~15 N: high-pressure sodium lamp 70,100, 110 G3/4 / 10 ~ 15 NZ：中显色钠灯 70,100, 110 NZ: in 70,100 colour-display sodium lamp, 110 NG：高显色钠灯 70,100, 110 NG: high colour-display sodium lamp 70,100, 110 L：金属卤灯 100, 150 L: metal halogen lamp 100, 150 防护等级 防爆标志 防腐等级 灯头型号 电压(V) 质量(kg)