标 准 编 号：GB/T 9074.9-1988简体中文标题：十字槽沉头螺钉和锥形锁紧垫圈组合件繁体中文标题：十字槽沈头螺钉和锥形锁紧垫圈组合件English name ：Cross recessed countersunk head screw and countersunk external toothed lock washer assemblies...