为此，在国内首次研发了适合于这种模式的前限深圆盘破茬后水平圆盘清垄的独特结构。
The unique structure of smooth and depth disc coulter combined with horizontal disc cleaning residues for the mode is first researched in China.
为此，在国内首次研发了适合于这种模式的前限深圆盘破茬后水平圆盘清垄的独特结构。
The unique structure of smooth and depth disc coulter combined with horizontal disc cleaning residues for the mode is first researched in China.
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