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cyh1321:非球面對系數(shù)做公差沒有任何意義。非球面表面的公差來源于模壓后的表面隨機(jī)偏離,體現(xiàn)在矢高的RMS和PV值上。....... (2016-08-30 15:15) YTL [z:k}
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