The technology of precision roll forging by closed die groove of machine driven ploughshare are researched systematically.
系统研究了机引犁铧闭式型槽精密辊锻技术。
2
Industrial applications show that as a new way to produce ploughshare, the roll forging technique is advanced, practical and easy to be popularized.
应用结果表明，该项技术先进、实用、易于推广，开辟了犁铧生产的新途径。
3
Subsoiling ploughAn automatic agricultural machinery with various functions. Made up of frame, pole, ploughshare, soil separating board, leading bogie and strengthening tie bar.