construction ventilation of tunnel的意思|示意

Comprehensive treatment technology of ventilation, dust -alleviation and purification was successfully applied in the mechanized construction of Lei Gongshan tunnel on Beijing-Jiulong Railway Line.

京九铁路雷公山隧道机械化施工中应用施工通风降尘净化综合治理技术获得成功。

The design &- calculation of ventilation, dust - alleviation technology &- measures and the achievements during construction of tunnel are recommended in this paper.

本文主要介绍洞内施工通风的设计与计算、降尘技术与措施以及所取得的效果。

More and more inclined shafts are built in order to meet the need of tunnel ventilation or speeding up the tunnel's construction progress.

为了满足隧道运营通风需要或为了加快隧道施工进度，设置斜井的情况越来越多。