长藤结瓜式灌溉系统
- 网络canals joining reservoirs type irrigation system
长藤结瓜式灌溉系统长藤结瓜式灌溉系统
canals joining reservoirs type irrigation system
reservoir-英汉词典... ... build a reservoir 修建水库 canals joining reservoirs type irrigation system 长藤结瓜式灌溉系统 ...
长藤结瓜式灌溉系统