water of productive use
常见例句
- The treatment of 2:4(Proportion of rows of corn and potato) is the highest in the aspect of yield (corn and potato) and water content use effectiveness and water content productive effectiveness.
在丰水年其中2：4 处理具有最高的混合单产和水分利用效率，水分生产效率。 - This arises because supply must also meet the demand for water for productive purposes, notably farming, and these use vastly larger quantities of the stuff.
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