The circumference of a seeding wheel is provided with an axial groove, and the inner part of the axial groove is provided with a slide block whose axial position can be adjusted.
播种轮的圆周上设有轴向槽，轴向槽里装有可调整其轴向位置的滑动块；
The circumference of a seeding wheel is provided with an axial groove, and the inner part of the axial groove is provided with a slide block whose axial position can be adjusted.
播种轮的圆周上设有轴向槽，轴向槽里装有可调整其轴向位置的滑动块；
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