degree of salinity是什么意思 degree of salinity怎么读
degree of salinity的用法和样例
- To control groundwater critical depth to prevent the soil from salinity depends on the pumping groundwater.
开采地下水，以抽代排，把地下水位降到临界深度以下，防止盐渍化。 - The deference stages of comprehensive harnessing of saline soil and the characteristics are analyzed.
总结了我国盐渍化防治所经历的不同阶段及特点。
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