off-circuit-tap-changing transformer

例句：

1. 1. The off-circuit tap-changing transformer is used to switch power from one circuit to another without interrupting the main power supply.
   脱扣式变压器用于在不中断主电源的情况下，从一个电路切换到另一个电路。
2. 2. During maintenance, the technician had to disconnect the off-circuit tap-changing transformer to access the wiring.
   维护期间，技术人员必须断开脱扣式变压器以访问电线。
3. 3. The off-circuit tap-changing transformer is an essential component in a power distribution system, ensuring that power can be safely and efficiently transferred between different locations.
   脱扣式变压器是电力分配系统的一个关键组件，确保在不同位置之间安全高效地传输电能。