标 准 编 号：EN 26157-1-1991 简体中文标题：紧固件.表面缺陷.符合一般要求的螺栓、螺钉和螺柱(ISO 6157-1-88) 繁体中文标题：紧固件.表面缺陷.符合一般要求的螺栓、螺钉和螺柱(ISO 6157-1-88) English Name：Fasteners; surface discontinuities; bolts, screws and studs subject to general requirements (ISO 6157-1:1988);...