高压电线杆上的这个瓷葫芦中间就是全瓷的？

一直很奇怪这个东西，全瓷的话强度没问题吗？<br />那可全靠瓷葫芦拉着啊！<br />但又不能是金属的，否则会短路！<br /><img src="https://bbs.21ic.com/upfiles/img/20097/2009720195558360.gif"><br />

陶瓷的强度也不低的.

呵呵，一般好的都是进口的

  

参考下图

非常感谢！<br /><br />查了下，是叫绝缘子，呵呵！

  

  

  

  

  

  

生产工艺很简单，小陶瓷厂就能做。

  

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