片语
short-haul short distance近距离
optimum haul distance最佳运距
free-haul distance免费运距
stroke length行程长度
economic haul distance经济运距
economical haul distance经济的运距
passenger average haul distance旅客平均运距
long haul distance传输距离长
freight average haul distance货物平均运距
average haul distance平均运距