虹吸式离心机
rotation siphon centrifuge
虹吸式竖井配水
suction type shaft water distribution
suction type shaft distribution
虹吸式屋面雨水排水系统
siphonic roof storm system
siphonic drainage systems of roof
虹吸式系统
siphonic rainwater drainage system
虹吸式滗水器
siphonic intake equipment