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棉花在栽培过程中,为了获得好性状的棉珠,利用自交与杂交技术进行育种,本文论述小铁夹和吸汽水管方法的精髓及注意事项。
Cotton in the cultivation process, in order to obtain good traits of cotton beads, the use of selfing and crossbreeding techniques, this article discusses the small iron clip and suction hose the essence and precautions.