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太古界 tàigǔjiè
agric. Archeozoic group
dril. Archean group; Archaean group; Archeozoic
oil Archaean; Archaeozoic
太古界 tàigǔjiè
geol. Archaeozoic; Archaean
太古界【地】 tàigǔjiè
tech. Archaean group; Archaeozoic erathem
太 古 界
: 6 phrases in 2 subjects
Drilling4
Oil / petroleum2