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岩石构造 yánshí gòuzào
hydroel.st. rock structure
tech. rock fabric; structure of rocks
岩石构造
tech. rock structure
岩石构造
: 20 phrases in 7 subjects
Desert science2
Earth sciences1
Explosives and Explosive Ordnance Disposal2
General1
Hydroelectric power stations2
Oil / petroleum4
Technology8