asphaltprimer

例句：

1. 1.The road was paved with asphalt primer before it was fully finished.
   道路在完全完工之前，先铺上了沥青混合料。
2. 2.The construction crew used asphalt primer to prepare the surface for the new asphalt roads.
   施工队使用沥青混合料来准备新沥青路面的表面。
3. 3.Due to the heavy rains, the asphalt primer had to be replenished several times.
   由于大雨，沥青混合料不得不多次补充。