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我們廠的女工程師—設(shè)計滾絲輪(五) |
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點評
x是乘號,。參數(shù)K是由滾絲輪中徑D2(受滾絲機的型號和規(guī)格規(guī)定限制),,和要滾壓零件地螺紋中經(jīng)d2來決定,這兩個參數(shù)都是已知的,。
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