modified coal tar pitch

例句：

1. 1. The new asphalt pavement was made from the modified coal tar pitch.
   新的沥青铺路材料是由改良煤焦油沥青制成的。
2. 2. The engineer used the modified coal tar pitch to improve the durability of the road surface.
   工程师使用改良煤焦油沥青来提高道路表面的耐用性。
3. 3.The construction company applied the modified coal tar pitch to waterproof the concrete foundation.
   建筑公司将改良煤焦油沥青应用到混凝土基础中以防水。