渗渠工程设计主要包括水平集水管、反滤层、导水管、集水井、泵房和其他附属构筑物等。
The design of infiltration ditch contains the obtaining water tube, anti-filter layer, well, pump house and other accessory building.
该过滤器还可用于水文水井中地下水的抽滤。
The filter for underground extracting liquid can also be used for the suction filtration of underground water in a hydrology well.
注水井停注时，地层外吐砂就会被金属毡阻隔在滤砂管周围，达到防砂目的。
The sand coming from the layer is blocked around the sand control pipe when the water injection well is closed, therefore the purpose of control sands can been attained;
因而本实用新型适合于作为水井滤水管，保证水井的正常使用。
Thus the utility model is suitable for being used as the filter tube of the well, which ensures the normal use of the well.
因而本实用新型适合于作为水井滤水管，保证水井的正常使用。
Thus the utility model is suitable for being used as the filter tube of the well, which ensures the normal use of the well.
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