通风机

That'd be the air duct.

那只是通风机

The invention of this technology is pioneer in China, leader in the world, filing the blank in the gas treatment of coal preparation plants in China; 2. Effectively treat the amassing of gas in the bunker in the coal preparation; 3. It can substitute the commonly used axial fans, which can bring in the considerable economic benefit and social benefit.

其技术特点：1、该技术的发明属于国内首创，国际领先，填补了我国选煤厂瓦斯治理的空白；2、有效的治理选煤厂煤仓瓦斯积聚问题；3、以其取代常用的轴流式通风机，所带来的经济效益相当可观。

Development gives chicken on the west pair of tornado machineElectric machinery of city age celestial bodies makes chicken on the west limited company development rolled out mine to use lie between explode press type to be opposite axis coming back sheds local fanner, the main and ventilated establishment in realizing colliery safe production can be produced in this locality.

鸡西研制出对旋风机鸡西市庚辰电机制造有限公司研制推出了矿用隔爆压入式对旋轴流局部通风机，实现了煤矿安全生产中的主要通风设施在本地能够生产。

According to the characteristic of copter radiator, the determinating method of fan total pressure is given.

根据直升机散热器的结构特点，给出了通风机全压的确定方法。

T35-11 Axial Flow- Blast Fan is a new generation product which was designed out after analyzing and comparing to the similar products abroad as well as experimenting and with model. This T35-11 Axial Flow-Blast Fan is remarkable of its high efficiency and low noise, and can be used in Industrial and Mining Enterprises, storehouses, offices and civil buildings for ventilating or facilitating heating system. The axial fan can be used as a fan when removing its housing and also can be installed in series connection inside the long exhaust pipeline to enhance wind pressure.

T35-11轴流式通风机是对国外同类产品进行分析对比，通过模型试验研究后设计的新一代轴流式通风机，具有效率高、噪声低的显著特点，可用作一般工矿企业、仓库、办公室、民用建筑内通风换气或加强暖气散热之用，若将机壳去掉，则可作自由风扇用，也可在较长的排气管道内隔串联安装以提高管道中的风压。

YBT series explosion-insulated axial flow local fans in mining industry are chiefly used as local blowing ventilation fan in coal mine where it is very dangerous of gas-bearing and coal dust explosion.

ybt系列爆炸隔热轴流局部通风机，在采矿业是主要被用来作为当地刮起通风机在煤矿的地方，这是非常危险的含气和煤尘爆炸。

In addition to JTB series Roots blower, our company also produces and sales low-noise DT tank centrifugal fan, T35/BT35, T30 axial fans, CF more airfoil centrifugal fan and axle roof ventilator.

我公司除生产销售JTB系列罗茨风机外，同时还生产销售DT低噪声柜式离心风机、T35/BT35、T30轴流风机、CF多翼型离心通风机及DWT型轴流式屋顶通风机等。

The methods of theory design and similar design for centrifugal fan are used in the article for the development and study of integrated CAD system for centrifugal fan.

本文研究了离心通风机的理论设计和相似设计原理，进行了离心通风机系列产品CAD系统快速响应的研究，基本实现了离心风机系列产品设计的自动化。

Analyses characteristics of the wind turbine and ventilation fan for underground engineering, and discusses the matching scheme with a wind turbine as power supply. Verifies the scheme with calculation examples.

通过对风力机和地下工程用通风机特性分析，讨论了利用风力机作为动力源驱动通风机对地下工程进行通风的匹配方法。

Intelligent control technology of large-scale equipments in comprehensive mechanized coal mining face (including the electric explosion-proof technique, control circuit design of essence safety type and double-engine double-speed dragging heavy load control technique of scraper conveyer); no exceeding limit gas safety and high efficiency emission technique (including air flow control strategy, control method, and etc.); failure protection technique for safe power supply of mine power grid (including two-grade selective electric leakage protection and phase sensitive protection technique, etc.).

关键技术分别为多局部通风机故障诊断和冗余控制技术（包括掘进工作面供电系统多源信息融合、故障测寻、故障诊断、多局部通风机三重冗余控制方法和控制策略等）；综采工作面大型设备的智能控制技术（包括电气防爆技术、本质安全型控制电路设计、刮板输送机双机双速拖动重载控制技术等）；瓦斯无超限安全高效排放技术（包括风量控制策略、控制方法等）；矿井电网安全供电的故障保护技术（包括两级选择性漏电保护和相敏保护技术等）。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。