optimum water content
最适含水量
最佳含水量
最优含水量
最佳含水率
最优含水率
最佳水用量
optimum water content to mixture
optimum water temperature
closed recirculating water
recirculating water culture
Recirculating Water System
water recirculating aquaculture
Acyclic Water Flow System AWFS
advancing equation of water flow
ancient water flow direction