roof extract ventilator

In this paper, the structure of roof fan has been improved and designed through the analysis of the leaking theory of roof fan.

通过对屋顶风机漏雨理论的分析,对屋顶风机的结构进行了改进设计,该设计方法使屋顶风机的漏雨问题得到有效的解决。

This paper mainly introduces the frequency control technique and technical innovation for large-type roof fan.

简介了大型屋顶风机变频调速技术及技术创新性。

This paper introduces several common ventilation schemes of thermal power station s main workshops, puts forward the ventilation scheme suitable for thermal power station s main workshops in cold areas, that is natural air-intake, natural+mechanical air-exhaust by roof axial fan.

本文介绍了几种常见的火电站主厂房通风方案 ,提出了适合于严寒地区火电站的主厂房通风方案 :即自然进风、自然 +屋顶轴流风机机械排风。

Performance and energy conversion mechanism of a wind-driven fan installed on roof were studied through kinematical analysis and experiment.

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。

Treatment Effect of Ceiling Mechanical Ventilation of Welding Workshop in Mechanical Plant

某机械制造厂焊接车间屋顶机械通风治理效果评价

Performance Calculation and Inspection Method for Unpowered Roof Fan

无动力屋顶通风机性能计算与检测方法

induced draft mechanical cooling tower

抽风式机械通风冷却塔

forced draft mechanical cooling tower

鼓风式机械通风冷却塔

The pipe of fume hood should upward through the roof. There should be water pipe and water sink in the fume hood.

通风柜，通风橱的管道要通到屋顶，通风橱内要有水管，水槽。

general exhaust mechanical ventilation

全面抽出式机械通风

centre-ventilated mechanical tower shaft kiln

中心通风塔式机械立窑

closed container mechanically ventilated

封闭式机械通风集装箱

ship's mechanical ventilating system

船舶机械式通风系统

a monitor roof enables the lights to be either vertical or on the roof slope and also provides excellent ventilation.

通风屋盖可在竖直面上采光，也可在屋顶的坡面上采光，还可同时提供良好的通风条件。

I'm afraid that the wind might Blow off the roof.

我怕风可能会吹走屋顶。

The wind was howling around the roof.

大风在屋顶上盘旋怒吼。

The house has been lifted the roof by the whole gale.

房子被狂风掀掉了屋顶。

Design on mechanical and control system for retractable dome of Nantong Stadium

南通体育场开闭式屋盖机械及控制系统设计

the top of a (usually flat) roof.

通常指房屋的平的顶部。

Energy saving renovation for the electric fans of the big mechanical ventilating cooling tower

大型机械通风冷却塔电动风机的节能改造

A lantern - shaped cupola on the roof of a medieval building for admitting air and providing for the escape of smoke.

天窗中世纪建筑屋顶上的灯笼状的小塔，用来通风，冒烟

an Asian temple; usually a pyramidal tower with an upward curving roof.

一种亚洲风格的庙；通常是一种锥形塔，屋顶是弯弯曲曲的。