提高种子加工厂精选能力的一项措施王英勇（黑龙江省农垦科学院科技开发中心佳木斯１５４００７种子加工厂的精选能力取决于加工线上各种单机的生产率。其单机主要有风筛选、窝眼选、重力选、分级机等，而无论加工什么样的种子都必须有风筛选和重力选，且重力选尤为重要。... A measure to improve seed selection ability of seed processing plant Wang Yingyong (Science and Technology Development Center, Heilongjiang Academy of Land Reclamation Technology, Jiamusi 154007) The selection ability of seed processing plant depends on the productivity of various stand-alone machines in the processing line, Election, gravity election, grading machine, etc., and no matter what kind of seeds must be processed wind screening and gravity election, and gravity is particularly important election.