Japan's industrial distribution: which coastal areas and along the line are Japan's industries concentrated? The main industrial zone in Japan is Keihin.

(1) Japan's industries are concentrated in the Pacific coast and the Seto Inland Sea. The sea transportation in this area is convenient, and it is convenient to import raw materials and export industrial products.

(2) Looking at the map, we can see: ① Keihin Industrial Zone, ② Nagoya Industrial Zone and ③ Hanshin Industrial Zone.

(3) Japan's fast-growing economy needs to import a large number of raw materials and fuels from abroad, and then rely on advanced science and technology and sufficient labor resources to process the imported raw materials, so that a large number of industrial products are exported. Japan's economy is an import-processing export-oriented economy.

So the answer is:

(1) Pacific Ocean; Seto inland sea;

(2) Jingbin Industrial Zone; Nagoya industrial zone; Hanshin industrial zone;

(3) Raw fuel; Science and technology; Working on it.