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气钻 qìzuàn
exhib. air drill
tools pneumatic drill
气钻: 134 phrases in 14 subjects
Architecture2
Chemistry1
Drilling35
Earth sciences2
Engineering geology8
Explosives and Explosive Ordnance Disposal1
Geology1
Geophysics1
Hydroelectric power stations1
Oil / petroleum28
Project management1
Shipbuilding3
Space1
Technology49