双向中继线both: adj. 两,双,双方,两面,二者。 both time ...way: adv. 1.= away. 2.〔美口〕…得多,远为。 ...trunk: n. 1.树干 (opp. branch); 躯干,身躯 ...both way toll trunk circuit: 长途双向中继电路wbwt wireless both way trunk: 无线双向中继线下载手机词典可随时随地查词查翻译