從水龍頭接出的用水管，以橡膠管為主，給水支管則采用DN50、DN25的鍍鋅管。

熱心網友

DN50 and DN25 galvanised pipes for water supply piping and essentially rubber tubes for water supply connection from water taps.

熱心網友

The ones that collected out used the water pipe from the faucet, rely mainly on the fact that the rubber is in charge of, supply water to prop up and is in charge of adopting the managing zinc-platedly of DN50 , DN25.英語翻譯力求表達清楚，該省則省，樓上的過于簡便，因更專業一點。