Refractors Used with Enclosed Side-Mounted Luminaires for Horizontal-Burning High-Intensity-Discharge Lamps, Mechanical Interchangeability of是什麼意思_Refractors Used with Enclosed Side-Mounted Luminaires for Horizontal-Burning High-Intensity-Discharge Lamps, Mechanical Interchangeability of在線翻譯_英語_讀音_用法_例句