市政公用行业特许经营 Concession Operation in Municipal Utilities
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天然气行业属于城市燃气行业，是典型的市政公用行业。
Natural gas industry belonging to city gas system is typical municipal public service.
市政公用事业是指为城镇居民生产生活提供必需的普遍服务的行业。
Municipal public utilities can be defined as the industry that provides necessary and universal services or goods for residents and production in urban areas.
一个约100家市政公用单位组成的行业协会，六月下旬取消了在西埃菲尔山脉的rursee湖的一个类似项目。
Trianel, an association of about 100 municipal utilities, withdrew from a similar project at Rursee Lake in the western Eifel Mountains in late June.
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