短語詞組短語broad -band excitation 寬帶激勵broad d band 寬帶;寬頻帶broad d band absorber 寬帶吸收器broadband network 寬帶網(wǎng)絡(luò)broadband access 寬帶接入；寬頻存??；寬帶通信broadband access network 寬帶接入網(wǎng)broadband signal 寬帶信號 返回 broad band