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。