road heater

例句：

1. 1. The road heater keeps the road warmduring winter.
   路加热器在冬天保持道路温暖。
2. 2. The road heater is a popular choicefor heating up roads in cold weather.
   路加热器是寒冷天气中加热道路的热门选择。
3. 3. The road heater was used tomelt snow and ice on the road.
   路加热器被用来融化道路上的雪和冰。