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错流过滤：流体流动方向 分离膜面。优点：延缓了膜表面污染层的形成，处理效率高，膜分离中主要的流动方式。
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皮皮学刷刷变学霸
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【单选题】What we can learn from the video?
A.
We can easily change our life within 30 days if we use his method.
B.
Without the 30 days challenges, we will never remember how days have passed.
C.
We should start hiking or riding bike for next 30 days.
D.
We should try something we always want to try for next 30 days in order to make life more meaningful.
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【简答题】From: Per.Jonsson@lindcom.seTo: varadyandrea@freemail.huDear Andrea,Thanks for ___________ the schedule.Unfortunately, we ___________ change our plans owing to unexpected problems here at headquarters...
【简答题】.You've heard the expression, “What you see is what you get.” We see what we want to see. Psychologists tell us that nothing can control our lives more than our self image. We live like the person w...
【简答题】Direction: Complete the following sentence with a proper word from your textbook on P. 74. Change the form if necessary. We all want to know what (adv.) happened.
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