suspension insulator string

例句：

1. 1. The suspension insulator string is crucial for maintaining the electricalintegrity of the power grid.
   悬挂绝缘线对于保持电网的电气完整性至关重要。
2. 2. The engineercarefully inspected the suspension insulatorstring before installing it.
   工程师在安装之前仔细检查了悬挂绝缘线。
3. 3. The insulator strings are designed to withstand highvoltage and protect the electrical equipment from damage.
   绝缘线设计用于承受高电压，保护电气设备免受损坏。