Locking devices for ball and socket couplings of string insulator units - dimensions and tests ; amendment 2 绝缘子串单元球窝连接的锁紧装置.尺寸和试验.修改件2
Insulators and fittings for overhead lines . dimensions of ball and socket couplings of string insulator units 架空线路用绝缘子和配件.弦线式绝缘子元件的球头和球槽连接尺寸
Insulator and conductor fittings for overhead power lines - dimensions of ball and socket couplings of string insulator units 架空电力导线绝缘和导线接头.第3部分:绝缘子组件球窝连接接头尺寸
Iec 603 locking devices for ball and socket couplings of string insulator units - dimensions and tests iec 60372 : 1984 a1 : 1991 a2 : 2003 ; german version en 60372 : 2004 绝缘子串单元球窝连接的锁紧装置.尺寸和试验
The ball and socket or round form load plate facilitate the required centred action of the force and are accordingly part of the ordinary supply schedule 球形孔形或圆形载重盘可以方便实现力的集中，所以他们也成为了常见的供应产品。
