upland plain 中文意思是什麼
upland plain
解釋
高平原-
Prevention of soil secondary salinization by turning upland cropland into paddy fields in depressions of the songneng plain
松嫩平原低平易澇地旱改水種稻治澇防止土壤次生鹽漬化技術的研究 -
It was difficult for upland crops to grow on the saline - alkali soil in the coastal plain and liaohe river regions
在沿海平原和遼河流域鹽堿土上很難種植旱地作物。
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