英语词汇“filter well”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	filter well
释义	Filter Well Filter Well a drainage device in the form of a borehole equipped with a filter and drilled from the surface of the ground to an underground mining excavation. Water entering the filter well flows to the excavation by gravity, enters a drainage ditch or a collector pipe, and flows into the mine’s catchment area. Filter wells are used to drain mine shafts and quarries.
随便看	polynomial time-frequency transform polynomial-time many-one reductions polynomial-time solution polynomial-time solutions polynomial transform computation polynomial trend polynomial wigner ville distribution polynosic fiber polynov, boris polynov, boris borisovich polynoxylin poly-n-para-vinylbenzyl-lactonamide polynuclear polynuclear aromatic hydrocarbon polynuclear aromatic hydrocarbons polynuclear aromatics polynuclear hydrocarbon polynuclear leukocyte polynucleate polynucleolar polynucleosis polynucleotidase polynucleotidases polynucleotide polynucleotide 5'-hydroxyl-kinase nol9

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Filter Well