bulb

• Do you know who is the creator of the electric bulb
  你知道谁是电灯的发明者？
• Motor vehicle double filament bulbs , for signal lamps
  第7部分:信号灯用汽车双灯泡
• Laboratory glassware - glass for thermometer bulbs
  实验室玻璃器皿.温度计球头玻璃
• Glass bulbs used for automatic fire extinguishing systems
  自动灭火系统用玻璃球
• He switched it on , but the bulb didn ' t bright up
  小伙子在纳闷： “怎么回事呢？
• Inspection standards of glass bulbs for cathode - ray tubes
  阴极射线管玻壳检验规范
• Miniature lug cap lamp 7s 12 with bulb t 2
  使用t 2灯泡的7s 12型凸缘灯头小型灯
• Inspection standards for glass bulbs for cathode - ray tubes
  阴极射线管玻壳检验规范
• Do you know who is the creator of the electric bulb
  你知道谁是电灯的发明者？
• But the bulb rules will hit closest to home
  但是受灯泡规定影响最大的是美国家庭。