insulator cluster的用法和樣例：
例句
- It is highly non-uniform with the line end insulators bearing a higher voltage than that in an ac insulator string on dry condition.
乾燥情況下，直流系統絕緣子串電壓分布更加不均勻，導線(xiàn)端絕緣子電壓更高。 - Preformed Suspension Set is used to fix the conductor to the insulator string on the straight pole and tower, or hang the lightning conductor to the straight pole and tower.
預絞式懸垂線(xiàn)夾用于將導線(xiàn)固定在直線(xiàn)桿塔的絕緣子串上，或將避雷線(xiàn)懸掛在直線(xiàn)桿塔上。
