A new seeding machine has been successfully trial-produced. 一种新的播种机试制成功了。
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。