相比而言，市区内的水管单位及其下属的公共供水设施似乎在使用量和损耗量上比重占得不大。
His urban counterparts, and the utilities that serve them, may seem unimportant in terms of the amounts of water they use and lose.
可以节省冷却费甩，验证冷却水管在不同布置形式下对冷却效果的影响，经实例验算，可以为设计、施工单位提供较为合理的冷却方案。
It can verify effect of different cooling pipe layout and reduce the cost of cooling. Checking computation of real cases proved that the method can produce better reasonable cooling control plan.
其中雨水井，沉泥井，过街排水管部分多数由道路主体施工单位完成。
Water Wells of clay, and drain well across the road from main part most complete construction units.
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