From Wikipedia, the free encyclopedia
渠就係喺地下或地底引水同排水用凹咗落去嘅路，亦可以指去水嘅管。可以攞嚟引乾淨水淋菜，亦可以攞嚟畀污遭水流走。渠有大有細，洗手盆嘅去水渠得十幾厘米直徑，排洪嘅明渠成30-40米闊。
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