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罗马尼亚奥尔特县设计并制造了玉米植苗机。这种农业机械工作效率较高,为不断提高粮食产量创造了条件。图为奥尔特县一农业生产合作社的社员正在
Aert County, Romania designed and manufactured a corn seedling machine. The high efficiency of such agricultural machinery has created the conditions for continuously increasing grain output. The picture shows a member of an agricultural production cooperative in Oort County