...基坑 风井 支撑 钢格构柱 钢筋连接器 [gap=534]Keywords: immersed tube tunnel, hyper-deep foundation pit, ventilation shaft, support/stay, steel grid column, rebar coupler.
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circular ventilation shaft 圆形通风井
Relief Ventilation Shaft 释压通风井
emergency ventilation shaft 事故通风井
tunnel ventilation shaft 隧道通风井
ventilation shaft emergency stairs 通风井太平梯
At present, the number of highway tunnel ventilation shaft construction are very few, and the experience of designs and construction is not yet mature.
目前国内修建的公路隧道通风竖井数量不多,在设计和施工上还没有成熟的经验。
参考来源 - 公路隧道单井送排风式竖井施工监控量测及数值模拟分析·2,447,543篇论文数据，部分数据来源于NoteExpress
This is the ventilation shaft through which air leaves a mine.
这是煤矿上用来疏通空气的通风井。
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 was a family of cats on the rooftop there, making their home in the ventilation shaft.
在那儿的屋顶上，住着猫的一家，它们的家安在通风竖井里。
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