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今春130团新改制的3膜12行宽膜播种机投入生产作业。改进部位一是在播种器上增加了可调式船形滑板限深装置，保证在地面不平的情况下播种深浅一致；二是把3个压籽辊改为12个弹性压籽轮，避免了压料辊因地面不平而失衡，使播下的每行种籽都得到均匀镇压，为种籽发芽提供有利条件
This spring 130 Mission newly restructuring 3 film 12 line wide film seeder into production operations. The first part is to improve the planter to increase the adjustable skateboard depth limiting device to ensure that the uneven depth of sowing in the depth of the same ground; the second is the 3 pressure roller into 12 flexible pressure wheel, to avoid the pressure material Rollers are unbalanced due to uneven ground, resulting in uniform suppression of sowing of each row of seeds, providing favorable conditions for seed germination