·2,447,543篇论文数据，部分数据来源于NoteExpress
The seeder roller wheel has the advantages of simple structure, convenient use, and high seed rate and meets the needs of seeding for different crops at the same time.
结构简单，使用方便、播种率高的同时又能满足播种不同作物的作物 的优点。
youdao
应用推荐
模块上移
模块下移
不移动