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