high low lamp 变光灯泡

low voltage lamp 低压灯

high-low lamp 变光灯泡

low pressure sodium lamp [电] 低压钠灯 ; 低压钠气灯

low pressure mercury lamp 低压水银灯 ; [电] 低压汞灯 ; 低压汞弧灯

low level lamp 房间夜间灯

low-voltage lamp 低压灯 ; 低压灯泡

low pressure sodium vapour lamp 低气压钠灯 ; 低压钠灯

Lamp Intensity Low 灯强度低

low voltage mercury arc lamp 低压水银灯 ; 低压金属汞灯