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Ｊ１５小型集材拖拉机（１５００７６）哈尔滨拖拉机厂郝常印张家荣李红卫收稿日期：１９９６－１２－０２１概述由于林业资源的减少，大部分林区已由主伐生产向营林生产过渡。生产的组织方式也由小工队转为个人承包。这些变化的出现，相应地对生产机具也提出了新的要求。...
J15 small tractor tractor (150076) tractor factory in Harbin Hao Changyin Zhang Jia Rong Li Hongwei Received Date: 1996-12-021 Summary Due to the reduction of forestry resources, most of the forest has been from the main production to forest production transition. The organization of production is also changed from a small work team to a personal contract. The emergence of these changes has correspondingly set new demands on the production machinery. ...