水道事業団体 23年後に90％が値上げ必要か ２倍超もを英語にすると
90% of organizations operating waterworks such as municipalities throughout the country are going on about 20 years later while the population decreases and the water pipes become obsolete The Civil Engineering Society summarized the estimate that it is imperative that the water rate will be raised by 2040. Some places where it is necessary to raise the price more than twice are expected, and we are planning to consider concrete measures in the future.
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