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test hole
dril. 探井
el. 勘探孔
eng.geol. 试井; 观测孔; 试验孔
oil 试验井
tech. 勘探浅眼; 勘察钻孔; 试验钻孔; 试验性孔; 试孔; 测试孔; 钻探孔
test hole: 58 phrases in 13 subjects
Chemistry1
Drilling2
Electronics2
Engineering geology5
Explosives and Explosive Ordnance Disposal1
Geophysics2
Hydroelectric power stations1
Metallurgy2
Mining2
Oil / petroleum12
Plastics1
Technology26
Textile industry1

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