机械化深松技术
mechanizable deep digging technology
留茬深松
high stubble mulching and subsoiling
全方位深松
Sub soiling in all directions
全方位深松部件
working parts of bulk subsoiler
全方位深松技术
All-dimension pan busting technology
深耕深松
deep ploughing and scarification
深深部开拓运输
deep opening transportation