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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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