交通立体化 jiāotōnglìtǐhuà grade separation Definitions Defs Origin Strokes Stroke Words Sentences Sents 交通立体化 交通立體化 jiāotōnglìtǐhuà grade separation The use of different heights to separate road or rail traffic so that they do not intersect, as in an overpass or interchange.
交通立体化 交通立體化 jiāotōnglìtǐhuà grade separation The use of different heights to separate road or rail traffic so that they do not intersect, as in an overpass or interchange.
