As a public utility, water supply industry has the particularity itself-natural monopoly and social commonweal, which is not in the general companies' possession.
供水行业作为社会公用事业，其自身具有通常意义的企业所不具有的特殊性—自然垄断性及社会公益性。
The utility model does not increase the possession area of the computer room, thus it can save land occupation greatly.
本实用新型完全不用考虑增加机房占有的面积，极大地节省了占地。
The utility model does not increase the possession area of the computer room, thus it can save land occupation greatly.
本实用新型完全不用考虑增加机房占有的面积，极大地节省了占地。
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