开沟犁，铧式开沟机具。有深沟犁、绿肥田开沟犁及对称式开沟犁等。开沟深度在30厘米以内的非永久性农田排灌沟渠的开沟犁,由机架、悬挂架及犁体等构成,犁体具有对称式工作曲面,犁壁翼部装有平土板,开沟时犁体向两侧翻土,平土板用于推开并刮平翻于地面的土壤。开深度较大的排灌沟渠的开沟犁,以巨型双壁铧式犁体为工作部件,用中、大型拖拉机牵引。 [1]
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。
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。
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.
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