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试孔
tech. prospect hole; test hole; test well; trial hole
试孔: 189 phrases in 27 subjects
Architecture1
Aviation2
Bridge construction1
Chemistry2
Coal1
Construction3
Drilling1
Electric machinery1
Electronics7
Engineering geology19
Explosives and Explosive Ordnance Disposal6
General1
Geophysics2
Hydroelectric power stations6
Metallurgy11
Mining1
Nursing2
Oil / petroleum11
Plastics4
Polymers1
Project management1
Rail transport1
Space1
Surgery1
Technology100
Textile industry1
Wood processing1

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