All I get is the white noise of refrigerators or fume hoods.
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2. 日常使用只需开启排风机即可开始正常工作。
Daily use only need to open the exhaust fan can start working.
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3. 检查排风机电机外表面；
Check surface of EXF motor;
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4. 炉的排风机你开了吗？
Did you turn the stove fan on?
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5. 挑战1：你可以找出下面图片中所以得排风机吗？
Challenge 1: Can you spot all the exhaust fans in the picture below?
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6. 检查排风机扇叶是否动平衡，马达基座是否紧固；
Check EXF blades whether dynamic balance or not, base of motor whether tighten or not;
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7. 通风系统由送排风机、风道、风道部件、消声器等组成。
Ventilation system by sending the exhaust fan, duct, duct parts, muffler etc.
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8. 解决了您在不能布置外实验室设备排风机风管情况下的困难。
You can not be solved outside the exhaust fan duct layout in case of difficulties.
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9. 使用时，打开排风机，臭气通过吸孔、通道、导气管排放掉。
When in use, the exhaust blower is opened and stench can be discharged through the sucking hole, the passage and the gas outlet.
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10. 我们为客户配置电电控箱、相关的安全保护器和大功率、高性能的排风机。
The machine is equipped with control panel box , security protection system and powerful suction motor fan.
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11. 水泥厂窑尾排风机的故障诊断非常重要，直接关系到它的正常安全可靠运行。
Diagnosing malfunction of kiln end fan in cement plant is important and it is directly related with normal and safe running of the fan.
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12. 我们生产的排风机是一款插塞式排风机，更换风机叶轮、支架和轴承十分简单。
The recirculating and exhaust fans for each zone of the oven are of the plug fan type design to allow quick and easy replacement of the fan wheel, shaft and bearings if the need should ever arise.
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13. 基于通风机的相似理论，介绍了送风机被用作排风机时，性能参数变化的两种分析方法。
This paper is based on the similar theory and described two kinds of the studying method in performance of air blower when it is transformed to the draw blower.
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14. 通过运动学分析和实验测试，对风动力屋顶排风机的能量转换机理和风能利用特性进行了研究。
Performance and energy conversion mechanism of a wind-driven fan installed on roof were studied through kinematical analysis and experiment.
LFSP series pump water curtain spray chamber and exhaust pipes in addition to any other system components, so the equipment operation safe and stable performance.
It consists of air compressor unit, clean and dry air unit, supersonic airflow grinding unit, powder grading unit, cyclone collecting unit and exhaust fan unit etc.
Directing against the vibration phenomena occurred during the running of the exhauster used for pelletizer scrubber, the produced basis is analyzed, the measures taken and the effects are provided.
The main component of the system, the exhaust fan, can not be polluted by the soot, needs no cleaning, and has the advantages of simple maintenance, long service life and good soot separating effect.
The practices show that it achieves the goal of raising performance and saving energy by applying variable frequency speed adjusting. The economic and comprehensive benefits are noticeable.
In the spray and dry set, rational make use of head steam, correct choose get in blower, exclude blower and high - pressure pump (or centrifugal atomizer).
This essay get breakthrough in the study of lining, new type high-temperature wearable alloy and parts and the soft start shaft coupling of centrifugal air exhauster changing in the tail of kiln.
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22. 介绍了阶梯蜗舌技术，并将其应用于一种排油烟的离心风机。
Technology of step tongue volute is introduced and applied to a centrifugal fan for discharging lampblack.
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23. 通过现场实地考察提出了排蒸汽离心引风机汽封设计的新思路、新结构。
New idea and new structure of air seal design for centrifugal induced draft fan is put forward through field inspection.
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24. 简要分析了排尘风机用接口的作用及其利用率。
The effect & its utilization ratio of interface for dust-collecting fan is briefly analyzed.
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25. 排粉风机是电站锅炉的主要耗电设备，节能改造是火电厂降减能耗，提高运行效率的重要措施。
The powder exhaust fan is the major electricity consuming equipment; the reform of energy saving is the important measure of decreasing energy consumption and improved efficiency.
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26. 在投运过程中暴露了不少问题，如堵煤、排渣困难、风机出力过大等。
In the process of its put into operation some problems were revealed, including coal block, difficult slag discharge, excessive output of fans and so on.
The experiment of ventilation storage for corn was carried out making use of driers combined silo which had cooling function (equipped with fanner and ventilation channel installation).
The experiment of ventilation storage for corn was carried out making use of driers combined silo which had cooling function (equipped with fanner and ventilation channel installation).
