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qiao liang xiao kong
Author(s): 
Pages: 31
Year: Issue:  2
Journal: Farm Machinery

Keyword:  圆锥销外径千分尺测量问题实际尺寸划针金水所量;
Abstract: <正> 工作中经常遇到φ1~φ15毫米小孔的测量问题。大家都感到孔越小越难测得准确。如果小孔精度要求不高时,利用圆锥销及0~25毫米外径千分尺就可正确测量。如孔径为φ6.5毫米,可用一小端直径为
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