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1.equipment of water supply;
设备收藏指正
2.field water supply
野战给收藏指正
3.urban water supply
城镇供收藏指正
4.water-supply line
道 {建}收藏指正
5.water supply point
6.charge of urban water supply
城镇供收藏指正
7.benefit of urban water supply
城镇供效益收藏指正
8.examination of water and wastewater
质检验收藏指正
9.water supply system dispatch
调度收藏指正
10.urban water supply system
城市给系统收藏指正