watering arrangement with perforated pipe-line located above the soil
水土保持区划
soil and water conservation regionalization
暂无补充释义。
soil and water conservation regionalization
暂无补充释义。
watering arrangement with perforated pipe-line located above the soil
soil working agriculture, forestry
soil dilution plating technique
brown steppe soil
crust soil
soil investigation
rice soil(=rice paddy soil)
half bog soil