double-carbon arc lamp

例句：

1. 1. The new double-carbon arc lamps are much more efficient than the old ones.
   新型的双碳弧灯比旧的要高效得多。
2. 2.The double-carbon arc lamp was used to illuminate the dark room during the night.
   双碳弧灯被用来在夜间照亮黑暗的房间。
3. 3. The double-carbon arc lamp is a popular choice for outdoor lighting due to its long lifespan and low maintenance costs.
   由于其长寿命和低维护成本，双碳弧灯是户外照明的热门选择。