船闸充泄水系统
/ˈlɒk ˈfɪlɪŋ and ˈɛmptiɪŋ ˈsɪstəm/
n
English: lock filling and emptying system · 船闸充泄水系统
English · lock filling and emptying systemEspañol · sistema de esclusas de vaciado y llenadoFrançais · système de remplissage et de vidange
释义：System consisting of a conduit with sluices alongside the side wall and perpendicular conduits on the canal bed that together raise and lower the water level in the lock.