目数(mesh)2.5345678910微米(μm)792558804599396233272794236219811651目数(mesh)121416202427323540微米(μm)13971165991833701589495417350目数(mesh)606580100110180200250270微米(μm)24522019816515083746153目数(mesh)32542550062580012502500325012500微米(μm)473325201510521美国使用的筛网目数与粒径（μm）对照表
目数(mesh)234567810121416182024微米(μm)8000670047504000335028023601700140011801000880830700目数(mesh)2830323540424548506065708090微米(μm)600550500425380355325300270250230212180160目数(mesh)100115120125130140150160170175180200230240微米(μm)15012512011511310910696908680756261目数(mesh)2502703003254005006008001000134020005000800010000微米(μm)585348453825231813106.52.61.61.3孔内径（um)≈14832.4/目数一般来说，目数×孔径（微米数）＝15000
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