on-load-tap-changing transformer

例句：

1. 1.This transformer is designed to handle high voltages during on-load conditions.
   这种变压器设计用于在加载条件下处理高电压。
2. 2.The engineers were tasked with replacing the old transformer with a new one for on-load tap-changing.
   工程师们被指派更换旧的变压器，以适应加载时切换的需求。
3. 3. During maintenance, the technicians replaced the on-load tap-changing transformer with a more efficient model.
   在维护期间，技术人员用一个更高效的型号替换了加载时切换的变压器。