标 准 编 号：GB/T 9074.19-1988简体中文标题：十字槽盘头自攻螺钉和大垫圈组合件繁体中文标题：十字槽盘头自攻螺钉和大垫圈组合件English name ：Cross recessed pan head tapping screw and large plain washer assemblies...