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1·The highest temperature-and thus the brightest light-that an incandescent lamp can achieve is the melting point of its tungsten filament.

一盏白炽灯所能达到的最高温度——即最大亮度——是其钨丝熔点的温度。

2·Its function is same to common tow-filament tungsten halogen lamp (9007) and increase illumination function by directly being replaced.

其功能与常用双灯丝卤钨灯(9007)相同，并可直接替换使用而提高照明功效。

3·Paris Expo, at the Edison invented produced by the tungsten filament incandescent lamp.

1878年巴黎世博会，展出了爱迪生发明的用钨丝制作的白炽电灯。