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deep-hole

eng.geol. 深孔
deep hole
archit. 深孔
oil 深部井眼; 深井
deep drill hole
archit.
deep-hole
: 69 phrases in 15 subjects
Agriculture1
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Automobiles4
Drilling1
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Electric machinery1
Engineering geology3
Explosives and Explosive Ordnance Disposal13
General2
Hydroelectric power stations1
Mechanic engineering1
Oil / petroleum1
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Technology35