名词废水管，排污水管

1. 污水管：waste one's words 白费口舌 | waste pipe 污水管 | waste pitch 暴投

2. 排泄管：waste pickle liquor 废酸洗液 | waste pipe 排泄管 | waste plain 冲积平原;山麓碎屑平原

3. 排水管：waste oil 废油 | waste pipe 排水管 | waste recovery 废物利用

noun

1. a pipe through which liquid is carried away

Synonym: draindrainpipe