enclosed carbon arc lamp

例句：

1. 1. The enclosed carbon arc lamp was the main source of light in the room.
   这个封闭碳弧灯是房间里的主要光源。
2. 2. The enclosed carbon arc lamp was used to illuminate the dark room.
   这个封闭碳弧灯被用来照亮黑暗的房间。
3. 3.The enclosed carbon arc lamp was a popular choice for lighting up small spaces.
   这个封闭碳弧灯是照明小空间的热门选择。