JD-40绞车设计与改进
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../../Drawing1齿轮圈.dwg [76.56 KB]
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../说明书.doc [1.12 MB]
../Jd-40绞车设计与改进设计.doc [1.32 MB]
../主轴.dwg [51.49 KB]
查看图纸../小齿轮架.dwg [63.78 KB]
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