实际应用说明，电子水尺可广泛使用在城市防汛重要地区，能节省土建费用。
It's practical application shows that electronic water gauge can be widely used in urban flood control, and that it can save civil construction cost.
这种结构可以减少因沉积而造成的堵塞，方便操作检修，同时也降低土建费用。
The structure can reduce the blockade caused by deposit, thereby making the operation and maintenance convenient and reducing the cost of civil engineering as well.
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