indoor piping

• 室内管道

indoor piping的用法和样例：

例句

1. It incorporates a hous piping system which feeds the individual consumers and a supply piping system which delivers the water from the meter box to the house system.
   系统包括向每个用户供水的室内管道系统，一个将水从水表送至室内系统的给水管道系统。