piped water supply中文什么意思

例句与用法

1. Even if a piped water supply is safe at its source , it is not always safe by the time it reaches the tap
   即使管道供水系统在水源处安全的，等水到达龙头时就不一定总是安全的了。
2. Mosquitoes , and flies that live near in water bring yellow fever , malaria and sleeping sickness , so good piped water supplies are needed to reduce the need for people to gather in such an area
   因此，为了减少人们聚居在具有传染源的水域附近，良好的管道供水系统必不可少。 ）