Improvement of High Pressure Hot Air Door

Development and Application of Electric Air Door in Underground mine

煤矿井下电动风门的研制及应用

Principle and application of double-wing overload prevention automatic control air door

双翼防过载自控风门的原理和应用

Development and Application of Hydraulic Automatic Air Door

液压自动风门的研制与应用

May also act according to requests Canada to suppose the ventilator, the heat gun, the air conditioner forced draft fan, the air-conditioner, the excess load display, the intercom and so on.

还可根据要求加设风扇、热风器、冷风机、空调器、超负荷指示器、对讲机等。

A heat recovery system, utilizing the hot air from the draft fan at the first zone of a draft strand cooler for ignition, heat preservation and sintering is introduced.

本文介绍一个用抽风带冷机第一段的热风进行点火、保温和烧结的余热利用系统。

The Parameter of Air Blower and Draft Fan of Boiler Should be Reasonably Determined

锅炉送、引风机的参数应合理确定

The result indicated that grass and crop rotation improves aperture condition of soil, to improve the condition of much air draft and drought and sand, because of abstract ability of keeping water on the chernozem of bad water erosion and wind erosion.

结果表明：在水蚀和风蚀严重的岗平地黑土上实行草田轮作，有利于改善土壤的孔隙状况，从而改善岗平地黑土的通气有余、持水不足、易于干旱和沙化的状况。

The ventilation duct caliber has to the embankment temperature field affects greatly, the caliber is bigger, the air draft convection effect is more obvious, to protects the frozen earth embankment to be more advantageous;

通风管管径对路基温度场有较大影响，管径越大，空气通风对流效果越明显，对保护冻土路基越有利；

No local influence of sun shine, or air draft, and no any vibrations.

机床局部无太阳照射影响，无风吹，周围无任何振动。

The tapered Wye branch& a new oxygenation equipment with air draft

一种新型的抽气充氧设备&锥形三通

What is your draft and what is your air draft?

你船的吃水和连桅高度是多少？

Experimental Research of the Tapered T Branch With Air Draft

锥形抽气三通试验研究

Control reconstruction of air purification system drain contamination

空气净化系统排污的控制改造

An impressive pile forms. Heywood bends down and inhales deeply, smelling the aroma. Rapture. Reinstall the elbow into the base of the relief valve to hold the Air Gap Drain in place.

一小排香烟。海沃德低下头使劲地闻着香烟的气味，高兴不已。将弯头安装在安全阀的底座，将气隙排放装置固定住。

The assembly shall also include two resilient seated isolation valves, four top-mounted resilient seated test cocks and an air gap drain fitting.

这种总成应该包括两个弹性阀座隔离阀，四个顶部安装弹性阀座测试旋塞和一个气隙排放接头。

Push as much of the sensing hose as possible into the air gap drain funnel to prevent over spray.

将尽可能多的感应软管推到气隙排放漏斗内，以防止从上面喷溅。

Reinstall the elbow into the base of the relief valve to hold the Air Gap Drain in place.

将弯头安装在安全阀的底座，将气隙排放装置固定住。

Air tank drain cock drainage relative permeability curve

气箱排放塞〔开关〕排泄相对渗透率曲线

Air tank drain cock discharge prediction of industrial pollution sources

气箱排放塞〔开关〕工业污染源排污预测

In this paper, mainly introduce the structure design of a low pressure diecasting die possessing a complex air drain casting, and make a technique analyses about the casting, and expatiate the working process of the casting die.

主要介绍了一种具有复杂气道铸件的低压铸造模具的结构设计，同时对该铸件进行了工艺分析，并对该模具的工作过程进行了阐述。