construction ventilation of tunnel

基本解释

More and more inclined shafts are built in order to meet the need of tunnel ventilation or speeding up the tunnel's construction progress.
爲了滿足隧道運營通風需要或爲了加快隧道施工進度，設置斜井的情況越來越多。
Tunnel ventilation is an important technology that restricts long highway tunnels construction, the study of highway tunnel ventilation has great society and economy value.
隧道通風技術是制約長大公路隧道建設的一項重要技術，開展長大隧道通風研究具有極大的社會和經濟價值。
Whether the ventilation system is designed reasonable or not can significantly affects the construction of long highway tunnel for its high cost in economy and energy.
長大公路隧道的通風系統工程造價高、運營能耗大，通風系統設計郃理與否，對長大隧道工程建設有重要影響。