Selection of insulator type, number of insulator string and air space is the main basis of transmission line insulation coordination.
输电线路的绝缘配合主要是选择绝缘子型式、绝缘子串的片数和空气间隙。
The insulation pipe-drilling stem string and its using method are introduced.
介绍了保温管、测试管串的结构以及使用方法。
The insulation pipe-drilling stem string and its using method are introduced.
介绍了保温管、测试管串的结构以及使用方法。
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