太阳热养鱼系统
solar heating system of fish breeding
网箱养鱼
food particle
fish cage culture
Net aquarium fishing
cage culture
Net cage fish culture
net-cage aquaculture
cage fish farming
fish aquaculture in net-cage
fishpond using netted boxes
cage fish culture
温室养鱼
Fish raising in the greenhouse
水库综合养鱼
Integrated fish culture in reservoirs