地下水漏斗
- 网络groundwater hopper
地下水漏斗地下水漏斗
groundwater hopper
地下水漏斗,groundwater... ... ) groundwater hopper 地下水漏斗 ) groundwater depression cone 地下水漏斗区 ...
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Present situation of shallow groundwater depression cones in Dezhou City and countermeasures for groundwater protection