high-voltage load switch

例句：

1. 1.The high-voltage load switch is essential for maintaining power grid stability.
   高压负荷开关对于保持电网稳定至关重要。
2. 2.During the power outage, the high-voltage load switch was used to prevent further damage.
   在停电期间，高压负荷开关被用来防止进一步的损害。
3. 3.The engineers carefully inspected the high-voltage load switch before installing it in the new substation.
   工程师们在安装新的变电站之前仔细检查了高压负荷开关。