DB65 T 3843.6-2015 棉花生产全程机械化技术规程 第6部分：植保（脱叶）作业.pdf

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DB65 T 3843.3-2015 棉花生产全程机械化技术规程 第3部分：耕地作业.pdf

DB65 T 3843.4-2015 棉花生产全程机械化技术规程 第4部分：整地作业.pdf

DB65 T 3843.1-2015 棉花生产全程机械化技术规程 第1部分：总则.pdf

DB65 T 3843.9-2015 棉花生产全程机械化技术规程 第9部分：棉秆处里作业.pdf

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