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1 - 齿轮箱 - CB-01-JJ-19 - 22件
2 - 轴承挡圈 - CB-01-JJ-26 - 66件
3 - 伸缩杆轴 - CB-01-JJ-41 - 11件
4 - 伸缩杆底座 - CB-01-JJ-42 - 22件
5 - 伸缩杆轴套 - CB-01-JJ-43 - 11件
图纸：
CB-01-JJ-43.PDF CB-01-JJ-42.PDF CB-01-JJ-44.PDF 
铁件.xlsx CB-01-JJ-41.PDF CB-01-JJ-19.PDF CB-01-JJ-26.PDF
