The article introduces the principle of operation of a vacuum oil purifier.

1、

Development of Active Alumina Used for Vehicle Tail Gas Purifier

汽车尾气净化器用活性氧化铝的研制

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2、

Test research and application of heat conduction for high efficient cooling purifier in hydraulic system

液压系统高效冷却净化器的传热试验研究与应用

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3、

Exploration of Methods for Sanitary Safety Test of Water Purifier

水质处理器卫生安全性试验方法探讨

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4、

Design of Air Purifier Based on 51 Single Chip Microcomputer

基于51单片机的空气净化机的设计

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5、

The oil purifier is an important device to ensure the oil quality.

油净化装置是保证油品质的重要设备。

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6、

Design, Installing and Operation Management of Air Purifier in Air-conditioning System

空调系统空气净化器的设计安装与运行管理

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7、

Analysis of filter box structure of purifier based on FEM

基于有限元的清粉机筛格结构分析

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8、

A Method of Using Software to Achieve the Sequential Control on Air Purifier

空分纯化器顺序控制的一种软件实现方法

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9、

The Achievement of the Automatic Control System for the Marine Purifier

船用分油机自动控制系统的实现

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10、

Rapid Test on Adsorption Effect of Activated Carbon in Water Purifier

快速检测净水器中活性炭的吸附效果

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11、

Design of Anion Air Purifier and Research of Application Technology

负离子空气净化器设计与应用技术研究

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12、

Water Pressure Control Analysis of The Sludge Discharge System for Purifier

净油机排渣系统水压力控制分析

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13、

Automatic control device of marine purifier based on distributed control system

基于分布式控制的船用分油机自动控制装置

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14、

Testing and Analysis of Performance for Several Photocatalytic Air Purifiers

几种光催化空气净化器的性能测试分析

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15、

Presumed non-hepatic morph adult Lesser Cuckoos have shown this same contrast, between a very dark rump ( which does not contrast with the tail) and a paler upper back.

假设非赤色型的小杜鹃也会出现这样的对比：暗色的腰部（与尾羽不形成对比）和比较淡色的上背部。

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16、

Circus workers holding sticks push the small bikes off but after a few seconds one monkey and the bear crash.

先是马戏团的工作人员用木棍推着小自行车前行，但没过几秒钟，其中一只猴子就和熊撞在了一起。

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17、

The hill was so steep we had to get off and push our bikes.

山坡太陡了，我们只好下来推自行车前进。

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18、

The city government wants 50 to 60 per cent of people walking, riding electric bikes or push bikes.

杭州市政府希望，步行、骑电动车或自行车出行者的比例能达到50%至60%。

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19、

The MIT team, led by Dr Aude Oliva, has spent over a decade creating hybrid optical illusions that show how images can be hidden with textures, words and other objects.

由奥德·奥利瓦博士领衔的麻省理工团队经过十年的努力，最终制作出了这些混合视错觉图像，向我们展示了图像是怎样被纹理、文字和其他图案隐藏起来的。

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20、

But the other day, I was in a drug store that had a rack of cheap children's books. I spotted a book of optical illusions, and almost bought it for her.

但是，前些天，我在一家商店，那里有一架子便宜的儿童书籍，我发现了一本光学错觉的书，几乎为她买下来。

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