There is actual demand for water reuse for expressway service area given the fact of limited water resource and long distance to municipal water supply system.
高速公路服务区远离市政给水管网，用水紧张，有污水回用的现实需求。
The water supply system in the special steel mill in Shandong Laiwu Steel o. Ltd. is characterized by its long-distance and high-lift transmission.
山东莱芜钢铁集团有限公司特殊钢厂的供水主管路属于典型的山区长距离、高扬程输水系统。
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