Induction of traditional industrial test sites in senior high school geography

Pittsburgh is located in the Great Lakes industrial zone in the central United States. Ruhr is an old-fashioned iron and steel industrial zone in Germany. However, with the decline of the steel market, it is gradually improving, combining technology and environmental protection! The Pearl River Delta is dominated by processing industry and labor-intensive industry!

Northeast China is a state-owned farm, and the type of agricultural regional development is rice planting, forming mechanized production and intensive management! The Pearl River Delta is developing a mulberry fish pond model, which is a combination of sericulture and aquaculture. The regional type of American agriculture is commodity grain agriculture, and the crops are wheat and corn, which has a high degree of mechanization and high commodity rate.