Depth profile control in water injector is not only an important technology of secondary oil recovery, but also the technical key of tertiary oil recovery in severe heterogeneous oil reservoirs.

注水井深度调剖不仅是一项重要的二次采油技术，而且是严重非均质油藏进行三次采油的技术关键。

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Its technical key is to explore straw resources and saprophagous food Chains.

秸秆资源和腐食食物链的开发是技术关键。

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The important technical key for hot candied dishes is the decoction of sugar.

拔丝类菜肴的重要技术关键是熬糖。

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While CSX followed a similar path, it has fallen below the key technical level.

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Several key technical support levels were breached on the downside to inflict the chart damage.

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These stocks are strong performers, but a key technical measure indicates risk may be high for new buying.

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