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钻孔图
archit. boring pattern
el.mach. drilling diagram; drilling plan
eng.geol. drill map
tech. boring pattern (式); drilling pattern (式)
钻孔图: 58 phrases in 9 subjects
Bridge construction4
Coal1
Electronics3
Engineering geology13
Explosives and Explosive Ordnance Disposal4
Hydroelectric power stations4
Metallurgy1
Rail transport1
Technology27