bitumenizing

例句：

1. 1. The road was bitumenized to improve its durability.
   这条道路被沥青化以提高其耐用性。
2. 2. The company is bitumenizing their roads for the winter season.
   该公司正在为冬季季节对道路进行沥青化处理。
3. 3. The process of bitumenizing involves heating and mixing asphalt with sand and other additives.
   沥青化过程涉及加热和将沥青与沙和其他添加剂混合。