短語詞組短語broad -band optical amplifier 寬帶光放大broad d band amplifier 寬頻帶放大器;寬帶放大器broad d band amplifier tube 寬帶放大管broad band amplifier tube 寬帶放大管Broad band antenna amplifier 寬帶天線放大器broad band fiber amplifier 寬帶光纖放大器broad band amplifier wide -band amplifier 寬帶放大器Broad band intermediate frequency amplifier 寬帶中頻放大器 返回 broad band amplifier