| 单词 | drainage |
| 释义 | drainage [`drān·ij] CIVIL ENGINEERING Removal of groundwater or surface water, or of water from structures, by gravity or pumping. HYDROLOGY The pattern followed by the waters of an area as they pass or flow off in surface or subsurface streams. PETROLEUM ENGINEERING The movement of reservoir oil or gas toward a wellbore due to the reduced pressure that results from penetration of the reservoir by the well. |
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