A类（综合）试验筛金属丝编织网、穿孔板和电成型薄板筛孔的基本尺寸标准规定了作为试验筛筛分介质的金属丝编织网、穿孔板和电成型薄板的筛孔的基本尺寸，本标准中的金属丝编织网和电成型薄板筛孔的基本尺寸，小于或等于sz卜m的所有尺寸，均采用R’10系列作为主要尺寸系列一鉴 Category A (General) Test Sieve The basic dimensions of sieve wire mesh, perforated sheet and electroformed sheet sieve standard specifies the basic dimensions of sieve openings of wire braid, perforated sheet and electroformed sheet as screening media , The standard wire mesh and wire mesh forming the basic size of less than or equal to sz BU m all sizes are used R’10 series as a major dimension of a series of Kam