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孤石
bridg.constr. solitary stone; boulder stone; isolated stone
eng.geol. erratic block; erratic stone
hydroel.st. lonestone; boulder
tech. erratic block (of rock); erratic boulder
孤 石: 11 phrases in 7 subjects
Architecture1
Desert science1
Engineering geology1
Explosives and Explosive Ordnance Disposal3
General1
Geology2
Technology2