hermetically sealed type transformator

例句：

1. 1.The hermetically sealed type transformator is used in power systems to convert high voltage into low voltage.
   密封型变压器用于电力系统中将高压转换为低压。
2. 2. The hermetically sealed type transformator is a critical component in the power grid, ensuring stable power supply.
   密封型变压器是电网中的关键组件，确保稳定的电力供应。
3. 3. In this case, the hermetically sealed type transformator was damaged during installation, which led toa power outage.
   在这种情况下，密封型变压器在安装过程中损坏了，导致停电。