“farmland drainage system”的概念、定义、翻译、参考文献-科学参考

单词	farmland drainage system
释义	farmland drainage system Encyclopedia 农学农业水土工程释 farmland drainage system农田排水系统排除农田过多的地表水和土壤水，降低耕作层中的地下水位，并将农田中多余的水滞蓄或输送到容泄区的工程设施。
随便看	nebulous ring NEC necator americanus necessary necessary and sufficient condition necessary and sufficient statistic necessary and sufficient σ-field necessary condition necessary condition for optimality necessary heirship necessary labor under the socialist system necessary labour and surplus labour necessary nutrients necessary observation necessary product and surplus product necessary statistic necessary topology necessity necessity and freedom in history nechanical dust collector Necitumumab Neck neck neck and shoulder pain neck bi

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