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nong ji tian jian zuo ye zhi liang jian du gong zuo zuo dai jia qiang
Pages: 136
Year: Issue:  4
Journal: Farm Machinery Using & Maintenance

Abstract:  <黑龙江省农业机械田间作业质量标准>出台已多年,县有关部门在推行<黑龙江省农业机械田间作业质量标准>方面做了大量的工作,但在农机田间作业质量监督工作中仍存在着许多亟待解决的问题.
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