短語詞組短語on -load tap changing transformer 有載換接變壓器load -tap-changing transformer 帶有載分接開關(guān)的變壓器On -load-tap-changing auto-transformer 有載自耦調(diào)壓變壓器Tap -changing auto-transformer 自耦調(diào)壓變壓器 返回 tap-changing transformer