“seal off”的概念、定义、翻译、参考文献-科学参考

单词	seal off
释义	seal off [`sēl `ȯf] ^ENGINEERING To close off, as a tube or borehole, by using a cement or other sealant to eliminate ingress or egress. ^{PETROLEUM ENGINEERING} Penetration of a drilling fluid into a formation so that the formation is prevented from producing.
随便看	midbrain midclavicular line midcourse correction middle body Middle Cambrian middle clouds middle core Middle Cretaceous Middle Devonian middle ear middle ground middle ground buoy Middle Jurassic middle lamella middle latitude middle-latitude sailing middle-latitude westerlies middle lobe syndrome middle marker Middle Mississippian Middle Ordovician Middle Pennsylvanian chemical formula chemical grenade chemical hygrometer

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