| 单词 | 开沟 |
| 释义 | 〔lister〕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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