字典網>> 英漢字典>> S開頭詞條>>step-down transformer的意思 漢英字典step-down transformer中文翻譯:【計】 降壓變壓器【化】 降壓器 英文解釋:名詞 step-down transformer:a transformer that reduces voltage相關詞條:step distribution method step run step size stepping reflex step by step step-bar test piece stepwise stability constant step into step-by-step carry stepping relay