干线main line;trunk line详细»
干线main;main lead;main line;trunk line详细»
干线HWY;HighWaY;main track;TK;TrunK;TRK;TRunK;trunk详细»
干线articulate;backbone;main;main line;main route;trunk;trunk line详细»
干线artery;main line详细»
干线distribution line详细»
干线artery详细»
干线trunk详细»