asphalt melting and heating device

例句：

1. 1. The road was paved with asphalt before it was repaved.
   这条路在重新铺设之前是用沥青铺成的。
2. 2. The asphalt on the road has been cracked and needs to be repaired.
   路面上的沥青已经裂开了，需要修复。
3. 3. The asphalt is so hot that it melts the ice on the ground.
   沥青太热了，以至于融化了地面上的冰。