About Zhao Xiaoshun
About 河北農業大学机電工程学院,河北保定071001
About Yu Fengchao
About 河北農業大学机電工程学院,河北保定071001
About Zhao Dawei
About 河北農業大学机電工程学院,河北保定071001
About Yu Huali
About 河北農業大学机電工程学院,河北保定071001
About Hebei Nongye Daxue Xuebao
About seeder
About adaptability
About performance test
About coefficient of variation
About negative pressure
About Machines for field operations
About 吸込
About トウモロコシ
About 性能試験