The traditional pressure distribution theory in air pipeline has been smashed by discovery of vacuum phenomena in the outlet of air pipeline.
空气管道出口处负压现象的发现，打破了传统的空气管道终端压力分布理论，改变了人们长期形成的风机出口管道终端不会出现负压的观念。
This paper put forwards problem on fuel air pipeline laying in city about its design, construction, and analyses reasons, makes some Suggestions.
从设计、施工角度提出了城市燃气管道敷设中存在的一些问题，分析问题产生的原因，提出解决这些问题的方法和具体措施。
Typical applicable locations are: air compressor, vacuum pump, compressing air pipeline, pressure regulating valve, testing equipment, medical sterilizer, etc.
典型的应用场所为：空气压缩机、真空泵、工艺管路、调压阀、测试设备、医用消毒器等。
Typical applicable locations are: air compressor, vacuum pump, compressing air pipeline, pressure regulating valve, testing equipment, and medical sterilizer, etc.
典型的应用场所为：空气压缩机、真空泵、工艺管路、调压阀、测试设备、医用消毒器等。
After comparison, some Suggestions are put forward for selection of plant ventilation type and air pipeline materials and some opinions are put forward for plant design in very cold areas.
通过比较，对厂房通风形式及风管材质的选择提出了建议，对高寒地区厂房设计提出了自己的看法。
Double-layer heat insulation inner inner liner without tortoiseshell net, inner liner of high temperature hot air pipeline, inner liner of heating furnace and so on in catalyst creaking apparatus.
催化裂化装置中两器有龟甲网双层衬里或无龟甲网双层衬里隔热内衬。
Communications and transportation transportation by land, water, air and pipeline, loading unloading and delivery 3.
交通运输业陆路运输、水路运输、航空运输、管道运输、装卸搬运3%。
Due to compression process influence the air dew point of compressed air in the pipeline, run it will gradually decrease temperature, so the compressed air system always have liquid water.
由于压缩过程影响空气的露点，压缩空气在管线中运行时温度会逐渐降低，所以压缩空气系统中总是有液体水存在。
Closed when the first compressed air dryer closed closed again, and the air pipe of compressed air evacuation, so as to avoid poor drying or pipeline residual moisture, air quality.
关闭时请先将压缩空气关闭再关闭干燥机，并将空气管路中的压缩空气排空，以免因干燥不良或管路水分残留，影响空气质量。
During the cold seasons, outdoor compressed air of liquid water will freeze pipeline, cause blockage or burst pipe.
在寒冷的季节中，室外压缩空气管线中的液体水会冻结，引起管道堵塞或爆裂。
There are five basic modes of transportation. They are water transport, rail transport, truck transport, air transport and pipeline transport.
基本运输方式有五种，他们是水陆运输、铁路运输、汽车运输、航空运输和管道运输。
The levying scope of this tax item includes: land, water, air and pipeline transportation, loading and unloading transportation.
本税目的征收范围包括：陆路运输、水路运输、航空运输、管道运输、装卸搬运。
There are five transportation modes—motor, rail, air, water, or pipeline.
有五种运输模式—汽运、铁运、水运、空运和管道运输。
Also, pipeline transport and rail, air, road and sea, is a huge energy transport.
并且，管道运输与铁路、航空、公路、海运等一样，是个巨大的能源运输工具。
The purpose of compressed air dryer is to lower water vapor in the compressed air, in order to avoid the compressed air in the pipeline happened liquid water condensation.
压缩空气干燥器的目的在于降低压缩空气中水蒸气含量，以避免压缩空气管线中发生液态水冷凝。
Integrating the dryer, unloading valve and multi-circuit protective valve, the air processing unit (APU) makes the pipeline more compact and reliable.
空气处理单元APU，集干燥器、卸载阀、多回路保护阀的功能于一体，使整车管路简洁可靠；
The water-air mixture is drained through connection the connection pipeline may be used for drainage, however it must not be lockable.
水-空气的混合液是经接口排泄，这个管路可以用作泄放，但是不能关闭。
The amount of air pressure required to close the valve depends upon the line pressure of the pipeline.
关闭阀门所要求的气压值依赖于管道内的管道压力。
The method of pipeline drying includes desiccant drying, dry air drying, vacuum drying and etc, among of which vacuum drying is the most difficult in technique.
管道干燥的方法有干燥剂法、干空气干燥法、真空干燥法等。其中真空干燥法的技术难度最高。
In petrochemical production, such methods as air compressing, pump circulation, mechanical blending and pipeline mixing are usually used in product mixing.
石油化工生产中常用的油品调合方法有压缩空气、泵循环、机械搅拌和管道调合。
The transfer medium in this pipeline is liquid ammonia (process air , soft water, alkali liquor, acidic gas).
这条管线的输送介质为液氨（工艺空气、软水、碱液、酸性气体）。
After comparison of the different methods, it is concluded that the dry air exsiccation is the most suitable for drying gas pipeline.
对各种方法进行了比较，干空气干燥法是干燥燃气管道最适合的方法。
Dense phase pneumatic conveying experiment of glass beads are carried out using compress air at horizontal pipeline.
在水平管道中，用压缩空气对玻璃珠进行密相气力输送压损实验研究。
The experiment shows that it can drag reduction and extend the discharge distance of pipeline transportation by ejecting compressed air to dredger pipeline.
分析了管道输送加气减阻的机理和延长排距的效果，在模型试验的基础上进行了实船试验。
Be responsible for parparing management procedure and work instructions on air compressure system, boiler, air conditioning system, water treatment system, pressure vessel and pressure pipeline.
负责编制空压系统、锅炉、空调系统、水处理设施、厂内机动车辆、压力容器、压力管道等设备的操作规程、作业指导书、管理制度。
Particularly, the drying technique of using dry air for large diameter pipeline was applied for the first time in our country.
尤其干空气干燥技术，开创了我国大口径输气管道干燥施工的先例。
Type ISG In-Line pumps are mainly used to water supply for high buildings, booster pipeline pumps, fire fighting and air condition system.
ISG立式管道泵主要用于高层建筑供水、管道增压、消防喷淋和中央空调循环系统。
The modes differ in terms of operation characteristics and capabilities, giving them comparative advantages and disadvantages. The five major modes are water, rail, truck, pipeline and air.
这些方式在运作特点和性能方面不同，从而使它们各有比较优势和劣势。五种运输方式分别是：水路、铁路、公路、管道及航空。
The corrosion of pipeline was found to be result of leak-in of air and water due to the damages of steel pipelines' protection coating.
造成管道腐蚀的根本原因是金属管道防护层遭到损坏进入水分和空气所致。
The corrosion of pipeline was found to be result of leak-in of air and water due to the damages of steel pipelines' protection coating.
造成管道腐蚀的根本原因是金属管道防护层遭到损坏进入水分和空气所致。
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