蓄洪池 meaning in English

flood storage pond

In west kowloon , good progress has been made on the stage i and ii drainage improvement works which are scheduled for completion in 2003 and substantial completion in 2004 , respectively . in order to minimise the extent of road openings caused by the extensive drainage improvement works , construction of an underground flood storage tank
为了尽量减少在西九龙区因进行排水改善工程而须掘路的范围，渠务署于二零零一年年初在大坑东游乐场地底兴建容量达十万立方米的蓄洪池，以及在九龙塘兴建一条长1