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试验孔
eng.geol. pilot bore; test drilling; test hole
proj.manag. trial holes
tech. testing drill hole; trial bore; trial hole
试验钻孔
tech. test bore; test borehole
试验性孔
tech. test hole
试验孔: 126 phrases in 20 subjects
Architecture1
Aviation1
Chemistry2
Construction1
Electronics7
Engineering geology16
Explosives and Explosive Ordnance Disposal3
General1
Hydroelectric power stations3
Metallurgy8
Nursing2
Oil / petroleum7
Plastics4
Polymers1
Rail transport1
Space1
Surgery1
Technology64
Textile industry1
Wood processing1

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