the system of pipes, tanks, fittings, and other apparatus required for the water supply, heating, and sanitation in a building
(建筑物内的)管道设施,水暖卫生设施。
the work of installing and maintaining such a system
管道施工,管道工程,管道维修。
〈非 正式,幽默,婉〉 体内“管道”,排泄系统
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I'd never discuss my plumbing with ladies .我不会跟女士讨论我的体内“管道”。