地板打孔,在地下室和排水管道連接。底下管道先低後高,形成“P”trap
所有跟帖:
• Sink cabinet 也加了*P” trap, 但估計靠底下自然形成的“P”工作。 -QinHwang- ♂ (0 bytes) () 11/11/2024 postreply 06:46:49
• Sink cabinet 也加了*P” trap, 但估計靠底下自然形成的“P”工作。 -QinHwang- ♂ (0 bytes) () 11/11/2024 postreply 06:46:49
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