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 light quality insulation outer covering is linked to the exterior piece of the automobile by the automobile outside junction and fixed on the junction above the automobile rain string.
轻质绝缘外壳由汽车外顶连接件与汽车外顶相连接并放于汽 车雨弦连接处之上固定。
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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