英[?pl?m ?pa?p]
美[?pl?m ?pa?p]
衛生工程管道
[例句]Because ground-water discharge cannot be purged into the household plumbing system , piping must be connected to deliver the water outdoors.
因為地下水並不能通過家庭水管系統排放，因此必須連接壹條到戶外的管道。
英[?pl?m ?pa?p]
美[?pl?m ?pa?p]
衛生工程管道
[例句]Because ground-water discharge cannot be purged into the household plumbing system , piping must be connected to deliver the water outdoors.
因為地下水並不能通過家庭水管系統排放，因此必須連接壹條到戶外的管道。