In the mid-test of sewage going to the steam generator, dual filter and ion exc.

稠油污水进热采锅炉中试。 采用双滤料过滤器和强弱酸钠离子交换器。

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One theory and arithmetic "dual filter scan" of seeking peak in spectral analysis is brought forward and used for demarcate of spectrum and other analysis.

提出光谱分析寻峰的一种原理和实现的算法“两层扫描筛法”，用于光谱的标定和其它分析。

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Dual top-load filter canisters for easier and faster emptying of debris.

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Despite that, it came with the same filter effects and dual-capture features seen on the likes of the One S. Despite the weedy processor and 512MB of RAM -- specs that echoed the ghosts of smartphone past -- it kept up with our swipes and several apps launched without much waiting around.

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