载波中继carrier: n. 1.运送人,搬夫;负荷者;使役,〔美国〕信差,邮递 ...trunk: n. 1.树干 (opp. branch); 躯干,身躯 ...trunk carrier: 行李舱支架,行李搬运车digital trunk carrier: 数字中继载波exchange trunk carrier system: 局间中继线载波系统下载手机词典可随时随地查词查翻译