“arrangement of farmland drains”的概念、定义、翻译、参考文献-科学参考

单词	arrangement of farmland drains
释义	arrangement of farmland drains Encyclopedia 农学农业水土工程释 arrangement of farmland drains农田排水沟布设形式农田排水沟与灌溉渠、道路的配合设置方式。
随便看	helium flash helium ion beam scanning electron microscope helium ionization detector helium ionization zone helium isotope hydrogeology helium-jet transport helium leak detector helium liquefier helium Lyman α forest helium main-sequence helium method helium-neon helium-neon laser helium optical pumping magnetometer helium-poor star helium production helium refrigerator helium-rich core helium-rich star helium separation system helium shell helium shell flash helium star helium-strong star helium variable

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