two speed – phrases

Terms for subject Rail transport containing two speed | all forms | exact matches only | in specified order only

English	Chinese
ratio of two trains speed	两车车速比
two speed adapter	双速接头
two speed brake	双速制动机
two speed governor	两级调速器
two trains crossing with different speed	列车不等速交会
two trains crossing with same speed	列车等速交会