绝缘珠支持线路 [电讯] bead-supported line

绝缘垫珠 axial wire bead

绝缘小珠 [电] insulating bead

串珠绝缘 [电] beaded insulation

绝缘玻璃小珠 insulating bead

圆珠绝缘同轴电缆 beaded coax

珠子绝缘线 beaded-insulation line

珠形绝缘芯 BEAD CORE