进出口专业英语词汇(T4) ... two-stage rotary air compressor 二级旋转式空气压缩机 two-stage single-acting compressor 双级单作用压缩机 two-stage stationary air compressor 二级固定式空气压缩机 ...
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Researchor use two-stage SBR reactor to remove phosphorus and nitrogen simultaneously, to solve the paradoxical relationships between phosphorus and nitrogen in the mixed growth system.
为了解决混合生长系统在除磷和脱氮过程中的矛盾，采用两级SBR反应器实现磷和氮的同时去除。
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