爱迪生不相信碳可作灯丝用，所以一开始就用铂合金作灯丝。

爱迪生不相信碳可作灯丝用，所以一开始就用铂合金作灯丝。的英文翻译

基本释义

• Originally Edison used platinum alloys for the filament, in the belief that carbon was impracticable.