heading ventilation是什么意思

网络释义

用法例句

An effective combination of jet ventilation fans and axial ventilation fans is used to optimize the gallery ventilation.

通过对摩天岭隧道施工通风方案的规划和实践,利用射流风机和轴流风机有效组合,优化巷道式通风方式,并对长大隧道通风中的几个重要问题作了初步探讨。

On basis of comparison of the advantages/disadvantages of gallery ventilation and jet ventilation,it is determined that gallery ventilation i.

通过对巷道式通风和射流通风优劣的比较,确定大瑶山一号隧道进口段采用射流通风技术的巷道式通风方式,并给出了详细的通风方案,以及保证通风质量的相关措施。

At present, common tunnel construction ventilation methods include natural, pressing, drawing, composite and gallery ventilation, while the gallery ventilation is specially suitable for super long tunnels that are constituted of parallel adits.

目前常用的隧道施工通风方法有自然通风、压入式、抽出式、混合式及巷道式通风法。

Mathematical model of tunnel ventilation process;

巷道通风过程的数学模型

An introduction is given to jet flow gallery ventilation technology and its application to Bantao Tunnel.

介绍射流巷道式通风技术在板桃隧道施工中的应用 ,这一新技术与传统的巷道式通风相比有新的突破。