我们不得不重新安装整个公寓的水管，因为旧管道已经开始漏水。

We had to ___re-pipe the entire apartment because the old pipes started leaking.

由于腐蚀严重，我们不得不重新铺设整个工厂的供水管道。

Due to severe corrosion, we had to ___re-pipe the entire water supply system in the factory.