Angelfish1 wrote: 我拖條很長既電線入厠所. 咁樣得唔得... <------------ 沒所謂行與不行, 但這樣做, 是否會將廁所內的污物一井抽出來? 而我的做法是用氣喉將廁所水抽出來, 雖然慢一點, 但安全
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