Precision multi-stage filtration system can remove mechanical impurities in oil effectively.

精密的多级过滤系统，能有效除去油中的机械杂质。

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The advances of production process are mainly applications of two stage filtration, full filtrate circulation, filter aids, membrane solvent recovery, dewaxing at room temperature, etc.

工艺进展主要是两段过滤、全滤液循环、助滤剂应用、渗透膜溶剂回收、室温脱蜡等。

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Ultimately, selection of the optimum filters depends on flow rate, particle removal efficiency of the filter, filtration scheme (single vs. multi-stage filtration), and filter service life.

归根结底，最佳过滤器的选择决定了流速、过滤器的粒子去除效率、过滤方案(单步与多步过滤)和过滤器的使用寿命。

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The 32-story hotel has nearly 1, 200 all new and cutting edge guest rooms, all part of the new Respire by Hyatt hypo-allergenic program, featuring a six-stage process to remove irritants, including state-of-the-art air filtration.

FORBES: Hyatt Regency New Orleans, LA