light output ratio造句

例句与造句

1. Note : for luminaires using incandescent lamps only , the optical light output ratio and the light output ratio are in practice the same
   注：对于仅用于白炽灯的灯具，在实际应用中，光效率哈灯具效率是相同的。
2. It's difficult to find light output ratio in a sentence. 用light output ratio造句挺难的