1.2.3 標(biāo)準(zhǔn)篩網(wǎng)號(hào)與目數(shù)換算

標(biāo)準(zhǔn)篩網(wǎng)號(hào)與目數(shù)換算見表1-9。表1-9　標(biāo)準(zhǔn)篩網(wǎng)號(hào)與目數(shù)換算網(wǎng)號(hào)/號(hào)目數(shù)/目孔數(shù)/(個(gè)/cm2)網(wǎng)號(hào)/號(hào)目數(shù)/目孔數(shù)/(個(gè)/cm2)網(wǎng)號(hào)/號(hào)目數(shù)/目孔數(shù)/(個(gè)/cm2)網(wǎng)號(hào)/號(hào)目數(shù)/目孔數(shù)/(個(gè)/cm2)542.560.6328125.440.301605760.088160—4540.6301440.28656760.07718051843.226 ......（本文共 741 字 ）     [閱讀本文] >>