chimney fan

In terms of big FRP wind tube which is designed and manufacturedby our chinese and exported to Pakistam, its main design and process are brieflyintroduced in this paper.

本文结合我国自行设计和制造并出口巴基斯坦拉克拉工程的大型玻璃钢风筒，简要介绍其主要设计结果和工艺制造路线。

combined down cast up-take ventilator

给气、排气两用通风筒

cowl head ventilator

喇叭式风斗僧帽式通风筒通风帽

downcast and uptake ventilator

下向和上向通风筒吸排气两用通风机

Determination of leakage rate and specific resistance for mine air duct

GB/T15335-1994矿用风筒漏风率和风阻的测定方法

Extractable ventilation rubber ducting of the fire retardant

GB/T9900-1988抽出式难燃橡胶导风筒

Study on performance of crack-resistant ventilation pipe in driving places

矿用耐崩风筒在掘进迎头的性能研究

CAE-based design of injection mould for casing cover of hair dryer

基于CAE分析的风筒壳后盖注射模设计

Analysis and design of the fluid state of the section of duct pervasion in the mechanical ventilation cooling tower

机械通风冷却塔风筒扩散段的流态分析与设计

The Simulation Researches on the Two-Phases Flow of Preheater Cyclones;

预热器旋风筒气固两相流场的模拟研究

Cold Model Test of 2500t/d Five Stages Cyclone Preheater;

2500t/d五级旋风筒预热器系统的冷模试验

grind a coffee-mill, barrel-organ

摇咖啡磨、 筒风琴.

drum-type swath aerator

滚筒式条铺摊晒通风机

Act as a megaphone for the unhealthy tendency

充分不正之风的传声筒

grind out music from a barrel-organ

摇动筒风琴奏出音乐.

The chains are pressure lubricated.

滚筒开槽。滚筒的高、速端带有通风式气胎离合器。

You cannot drive a windmill with a pair of bellows .

一对吹筒吹不动一只风车。

Study on Structural Design of MW Class Suction Wind Turbine

MW级吸力筒式海上风车结构设计研究

The function of the fire-blower of old times was similar to that of an air-blower now.

以前吹火筒的功能就类似于现在的鼓风机。