They also rebuilt parts of the sewer system and improved water treatment centers.

他们还重建了部分下水道系统，并改善了水处理中心。

This street is the first in the city to have an underground sewer system.

这条街是纽约 第一条有下水道系统的街道。

Speaking of eating: What kind of sewer system does the city of the future have?

未来的城市会有怎样的下水道系统？

It helps sewer systems to drain rain water quickly and guide the water to collection facilities for recycling.

该工程有助于排水系统迅速排干雨水，将雨水引导至收集设备并进行循环。

Hankistan invests this new money in better sewer systems and trash collection, taking waste away from where people live.

汉克斯坦将这笔新资金投资于建设更好的下水道系统和垃圾收集，将垃圾从人们生活的地方带走。

Paris is an ancient city. And like many old cities, it has what is known as a combined sewer system.

巴黎是一座古老的城市，而且像许多老城市一样，它有所谓的合流下水道系统。

But this system is only feasible in places with centralized sewer systems and infrastructure for pumping water into people's homes.

但这个系统只适用于有集中下水道系统和抽水基础设施的地方。

The sewer system carries away wastewater from homes and businesses.

下水道：下水道系统将家庭和企业的废水带走。

Plant roots are a big cause of damage to sewer systems all over the world.

植物根部是世界各地下水道系统受损的一个重要原因。

The shapeshifter could be using the sewer system to get around.

这个变形者能利用下水道系统到这周围。