ballast

• 4safe and reliable with internal ballast
  4内置镇流器安全可靠。
• Specially designed for electronic ballast and energy - save lamp
  专为电子节能灯，镇流器设计制造。
• Electric lamps - fluorescent self - ballasted lamps - performance guide
  电灯.荧光自镇流灯.性能指南
• Wind design standard for ballasted single - ply roofing systems
  铺石渣单层屋面系统的风荷载设计标准
• Function test and automatic controller test for ballast pump
  压载泵效用试验和自动控制装置试验。
• Ballast test systems 2574r ballast analyzer
  镇流器分析仪系统
• Ballast test systems 2574r ballast analyzer
  镇流器分析仪系统
• Electric lamps - 450 - watt , 230 - volt , b75 self - ballasted mercury lamps
  电灯. 450瓦230伏b75自镇流汞灯