单词	双斜凹槽
释义	双斜凹槽double skew notch
随便看	railway spine railway-spine railway-spine--concussion of spinal cord railway spine; erichsen's disease; page's disease; spinal concussion; erichsen's spine railway spine-- erichsen's disease-- spinal concussion railway-spine，concussion of spinal cord railway station railway statistics railway suboffice 铁路分局 railway substation railway system railway tariff railway telephone railway territory railway ticket railway tie railway time table railway timetable railway torpedo railway track railway track centers railway track gage railway track scale railway track spacing railway transportation