YS-1GVFM-125A型起垄施肥铺膜联合作业机的设计与试验
YS-1GVFM-125A형기롱시비포막연합작업궤적설계여시험
Design and Experiment of YS-1GVFM-125A Type Combine Machine of Ridging, Fertilizing and Film Covering
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