Report copyright - 今後の水道事業について - mhlw33127 0 10000 20000 30000 40000 50000 60000 70000 80000 0 2000 4000 6000 8000 10000 12000 14000 16000 5 0 5 0 5 0 5 0 5 0 5 0 5 0 5 0 給水人口(千人)
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