标 准 编 号：BS EN ISO 887-2000简体中文标题：通用米制螺栓、螺钉和螺母用平垫圈.总方案繁体中文标题：通用米制螺栓、螺钉和螺母用平垫圈.总方案English name ：Plain washers for metric bolts, screws and nuts for general purposes. General plan...