bituminous surface treatment

例句：

1. 1.The bricks are bituminous and can be easily fitted together.
   这些砖块是多孔的，可以很容易地拼接在一起。
2. 2. The road surface is bituminous, making it slippery during winter.
   道路表面是多孔的，使得在冬天时容易打滑。
3. 3.The oil-based coating is bituminous and requires a special primer for proper application.
   这种油基涂层是多孔的，需要特殊的底漆才能正确应用。