... 油层水饱和度：in-situ water saturation 油层收缩：reservoir shrinkage 油层润湿性：reservoir wettability ...
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That will cause a sharp shrinkage in the number of people who migrate to the cities and supply China with its seemingly inexhaustible reservoir of cheap labor, key to its spectacular export success.
廉价劳动力是中国出口获得巨大成功的关键因素，而农民工则是中国似乎无穷无尽的廉价劳动力大军的源泉。
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