This paper introduces the working principle and structure parameter of the picker finger seed drill.

本文阐述了指夹式排种器的工作原理和结构参数。

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A plow equipped with a double moldboard that turns up the soil on each side of the furrow, often having an attached drill for seed planting.

双壁开沟犁，犁头后部有两块曲面铁板的犁，可翻开犁沟两边的泥土，常附有播种机。

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A plow equipped with a double moldboard that turns up the soil on each side of the furrow, often having an attached drill for seed planting.

双壁开沟犁犁头后部有两块曲面铁板的犁，可翻开犁沟两边的泥土，常附有。

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On farms, Haber nitrogen ran into much the same revulsion as had greeted the seed drill.

ECONOMIST: The story of wheat: Ears of plenty | The