Gallery ventilation 坑道通风 ; 巷道式通风
jet flow gallery ventilation 射流巷道式通风
gallery-type jet ventilation 巷道式射流通风
In the center of each gallery is a ventilation shaft, bounded by a low railing.
在每一条廊道中心都有一口通风井，外面围着一道矮矮的栏杆。
There is not a single pane of glass anywhere around the site, and the only mechanical ventilation installed is in the gallery.
基地内的任何地方都没有单一的玻璃窗格，而且唯一的机械通风设备安装在了画廊中。
An introduction is given to jet flow gallery ventilation technology and its application to Bantao Tunnel. This technology is a breakthrough compared with conventional gallery ventilation technology.
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。
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