cascade type instrument transformer

例句：

1. 1. The cascade type instrument transformer is an essential component in the power system.
   瀑布型仪器变压器是电力系统中不可或缺的一部分。
2. 2. The cascade type instrument transformer plays a crucial role in the power grid.
   瀑布型仪器变压器在电网中起着至关重要的作用。
3. 3. The cascade type instrument transformer is used to convert high-voltage electrical signals intolow-voltage electrical signals for further processing.
   瀑布型仪器变压器用于将高压电信号转换为低压电信号，以便进一步处理。