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The process comprises three basic cyclic steps: feed pressurized, permeate withdrawn and residue vented.
该流程是一种循环操作过程，每一周期包含加压、抽真空以及排空三个阶段。
youdao
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The process comprises three basic cyclic steps: feed pressurized, permeate withdrawn and residue vented.
该流程是一种循环操作过程，每一周期包含加压、抽真空以及排空三个阶段。
youdao