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【多选题】
我国工业用标准筛常用 数表示筛号,即以每一英寸(2.54cm)长度上的筛数目表示,但还没有统一标准的规格。例如每英寸有100个的筛号标记为 ,能通过的粉末称100目粉。
A.
B.
100目筛
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