ventilation and drainage of exploratory tunnel
坑探勘探坑道通风排水
A passageway or shaft in which air circulates, as in ventilating a mine.
通风道,换气坑空气流通的通道,如使矿井通风的风道
Because of no natural ventilation, semi-closed tunnel was most seriously polluted.
半密闭坑道未形成自然通风,所以真菌数最高。
A Study on Wushaoling Tunnel's Auxiliary Gallery Influence on Operation Ventilation and Long Tunnel Rescue Station Disaster Prevention Research
乌鞘岭隧道辅助坑道对运营通风的影响及特长隧道定点防灾研究
CONSTRUCTION MONITORING ANALYSIS FOR THE DEEP EXCAVATION AIR DUCT OF A SUBWAY STATION IN BEIJING
北京某地铁车站通风道深基坑开挖施工监测分析
Fungal spore spreads with the air in opened tunnel which makes mycetes in aisle and room higher than in the control group.
通风式坑道因形成空气对流,真菌孢子依靠气流向周围播散,通道和房间均明显高于对照组。
To make a tunnel through or under.
在…掘隧道穿过或在…下面开通一条坑道
Ventilation system optimization & application at the JuBanKeng tungsten mine
锯板坑钨矿通风系统优化研究及应用
A Brief Introduction of the Accuracy of Daliu Tunnel's Transfixion Control
浅谈如何提高大流坑隧道的贯通精度
Statistical analysis of the accidents of foundation pit of the urban mass rail transit station
城市轨道交通车站基坑事故统计分析
The tunnel contract to a narrow passageway as you go deep
再往里走, 坑道缩小成了一条窄窄的通道
The tunnel contracts to a narrow passageway as you go deeper.
再往里走, 坑道缩小成了一条窄窄的通道.
The tunnel contracts to a narrow passageway as you go deep.
再往里走,坑道缩小成了一条窄窄的通道。
Status of undergroung ventilation system and its improvement in Hongtoushan Copper Mine
红坑口井下通风系统现状与优化改造实践
The selection of seepage control route for two banks of GHP and its optimal design of curtain grouting
高坝洲工程基坑岩溶漏水通道堵漏灌浆技术
3D analysis in the large area excavation above the Shanghai Metro tunnels
轨道交通上方大面积基坑开挖三维问题分析
A passage for drawing up smoke or air.
上风井,上风烟道发散烟或空气的通道
Analysis on Influence of Foundation Pit of Pudong Wind Tower of Renmin Road Crossing-river Tunnel Project on Huangpung River Flood Prevention Wall
人民路越江隧道工程浦东风塔基坑对黄浦江防汛墙的影响分析
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