短語詞組短語frequency regulating transformer 調(diào)頻變壓器frequency stabilization transformer 頻率變換器frequency channel transformer 頻道變換器High frequency link transformer 高頻鏈變壓器high frequency flyback transformer 高頻反激變壓器power frequency testing transformer 工頻試騐變壓器frequency current transformer 高頻變流器frequency resonance transformer 射頻共振變壓器high frequency switching transformer 高頻開關(guān)變壓器 返回 frequency transformer