“hill-dropplanter”的概念、定义、翻译、参考文献-科学参考

单词	hill-dropplanter
释义	hill-dropplanter Encyclopedia 农学穴播机释 hill-dropplanter穴播机按一定行距和穴距将种子成穴播种的播种机械。又称中耕作物播种机。
随便看	free nucleon nucleon cross section free nucleon-nucleon cross section free nutation free object free occurrence Free Officers Movement free open policy free operator algebra free oscillation free oscillations of the earth free oxygen free particle free path free pendulum free period free pipe free piston engine free-point method free pollination Freeport free port free precession free presentation free pricing strategy free probability

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