Accurately deriving the true liquid flow velocity is the key for determining the stratification flow rate of oil and water and logging interpretation of liquid producing profile.

准确求取流体的真实流动速度是确定油水各相分层流量及产液剖面测井解释的关键。

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The key of oxygen activation logging interpretation was water-flow velocity which determined every measuring point.

氧活化测井解释的关键是确定各测点的水流速度。

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Meanwhile, with the construction of modern cities, many new problems went up in drainage water logging.

同时，随着现代城市的建设，排水内涝方面也出现许多新问题。

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Another 20 percent of irrigated land is damaged by water logging or salinity, the agency says.

CNN: All About: Food and the environment

Race meetings at Southwell Racecourse on Monday and Tuesday have been abandoned due to water-logging.

BBC: Play area off Tolney Lane in Newark

This huge cultural heritage site, became increasingly threatened with decay by exposure to harsh climatic conditions, floods from the Indus River, deterioration due to salts rising from the high water-table, and water-logging.

UNESCO: Safeguarding Moenjodaro