1.2.3 標準篩網號與目數(shù)換算

標準篩網號與目數(shù)換算見表1-9。表1-9　標準篩網號與目數(shù)換算網號/號目數(shù)/目孔數(shù)/(個/cm2)網號/號目數(shù)/目孔數(shù)/(個/cm2)網號/號目數(shù)/目孔數(shù)/(個/cm2)網號/號目數(shù)/目孔數(shù)/(個/cm2)542.560.6328125.440.301605760.088160—4540.6301440.28656760.07718051843.226 ......（本文共 741 字 ）     [閱讀本文] >>