sealed-beam

sealed-beam什么意思,sealed-beam翻译

基本解释

网络: 封闭式灯芯

例句

• Method of Designation for Electric Lamps - Miniature and Sealed-Beam Incandescent Lamps

  电灯命名法。小型和聚光白炽灯

• Sealed-beam landing lamps for aircraft; Dimensions

  飞机的密封光束着陆灯.尺寸