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draining circuit /ˈdɹeɪnɪŋ ˈsɜːkɪt/ n

中文：排水系统

中文 · 排水系统Español · circuito de desagüeFrançais · circuit d’évacuation
Meaning：Set of interconnected pipes allowing wastewater to drain into the building sewer.
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House plumbing system

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