摘要
China launched the Beijing-Tianjin-Hebei integrated development program in February 2014.Over the past three years,the program has greatly improved people’s lives,helped upgrade local industries and protected the three regions’environment.
China launched the Beijing-Tianjin-Hebei integrated development program in February 2014.Over the past three years,the program has greatly improved people’s lives,helped upgrade local industries and protected the three regions’environment.
