基本解释

• [交通运输工程]电文通道故障

英汉例句

权威例句

• Deliver long harangues about Guantanamo Bay and the failure of capitalism (and maybe send President Obama a back-channel message that you'd like to help him out by offering citizenship, beach access and free health care to all remaining occupants of Gitmo).
  FORBES: Freedom's Edge

专业释义

交通运输工程

• 电文通道故障