单词 | shallow well |
释义 | shallow well [`shal·ō `wel] HYDROLOGY 1. A water well, generally dug up by hand or by excavating machinery, or put down by driving or boring, that taps the shallowest aquifer in the vicinity. 2. A well whose water level is shallow enough to permit use of a suction pump, the practical lift of which is taken as 22 feet (6.7 meters). |
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