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1 相关标准 DIN34 109,机械制造用活塞环:一般说明2 尺寸标记 锥面环的外圆表面呈60°的倾斜角,在此角的相应侧面上打有“TOP”标记。其应用详见DIN34 109
1 Relevant Standards DIN 34 109, Piston rings for machine construction: General information 2 Dimensioning The outer surface of the conical ring has a 60 ° angle of inclination, marked “TOP” on the corresponding side of this angle. Its application see DIN34 109