粉碎还田机
Shattering and returning machine
棉秆粉碎收获机的设计
Design of cotton-stalk grinding harvester
Design of Cotton-stalk Harvester
秸秆根茬切碎还田机
straw stubble returning machinery
秸秆还田机
Straw returning machine
straw-returned-native-field machine
the straw chopper
秸秆切碎还田机
straw shredding and returning machine
水田秸秆还田机
Straw Chopper at Paddy Field
揉浆机粉碎机理的研究
Research on the Milling Principe for the Pulper
拔棉秆机
Cotton-stalk pulling machine
长期秸秆还田
Long-term straw application