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天井 tiānjǐng
gen. hypaethron; rockhole
archit. door yard; hypethron; parvis
hydroel.st. patio
nautic., tech. atriums
tech. courtyard; impluvium; light court; raise; raised shaft; small yard; Hof
wind. atrium
天井从一个水平向上开挖以连接上一水平，或探查一个水平之上有限距离内地层的，垂直或倾斜的矿山通道。两个水平段连接后，连接通道称作天井或盲井。天井的斜度等于或大于水平面 45° tiānjǐng
mineral. raise
采矿天井 tiānjǐng
gen. upraise
天井: 126 phrases in 14 subjects
Architecture2
Chemistry1
Desert science1
Drilling9
Earth sciences1
Economy1
Electronics1
Engineering geology6
Explosives and Explosive Ordnance Disposal13
General1
Hydroelectric power stations2
Mining4
Oil / petroleum5
Technology79

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