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联合收获机械 安全标志
Safety signs for combine harvesters
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脱粒机安全技术要求
Safety technical requirements for threshers
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水稻联合收割机?作业质量
Operating quality for rice combine harvesters
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马铃薯收获机?作业质量
Operating quality for potato harvesters
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圆草捆打捆机?作业质量
Operating quality for round balers
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马铃薯机械化收获作业技术规范
Technical specifications of mechanized harvesting operation for potato
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牧草机械化收获作业技术规范
Technical specifications of mechanized harvesting operation for forage grass
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牧草收获机?质量评价技术规范
Technical specifications of quality evaluation for forage grass harvesters
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牧草收获机械试验方法通则
Rules of test methods for machines of hay harvesting
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