Tillage location test and its cooperative test in the wheat-maize double cropping field showed that the best time limit for applying discplough was one or two years.
在小麦、玉米一年两熟制农田上，进行耕法定位及配合试验，试验表明，耙茬少耕的有效年限为1 ~ 2年。
2
A design method on level swing beam discplough was put forward by designing and calculating of level swing beam mechanism, side force balance mechanism and overall parameters.
The utility model provides a ring-type workbench for assembling and manufacturing a coal ploughdisc or a coal unloading disc of a coal unloader, and belongs to tooling for processing machine parts.