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沟试验
meaning in Chinese
channel test
Examples
Study on the main problems and measures of conversion of cropland to forest project at sijiagou of pingshan country
从平山县寺家
沟试验
示范区建设看退耕还林工作中存在的问题及对策
Related Words
沟
沟式干燥器,槽式干燥器
沟式青贮窖
沟手
沟鼠
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