求翻译：比较了真空排污系统与传统重力排污系统在耗水耗能上的差异，结果表明真空排污系统耗水耗能均低于传动重力排污系统，表明真空排污系统在城市建设中局部采用真空排污系统在经济性、环境保护以及资源利用上具有推广价值。是什么意思？

Comparison of vacuum sewerage systems and water consumption of conventional gravity sewer systems in the difference in energy consumption, showing water consumption energy of the vacuum sewerage system is less than the gravity sewage transmission system, that vacuum sewerage systems in urban construction in partial vacuum sewerage systems have on the economy, environmental protection and resource utilization promotion value.