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第三系 dìsānxì
hydroel.st. Tertiary
oil Tertiary system
地层第三系 dìsānxì
eng.geol. Tertiary
第三系 dìsānxì
geol. Tertiary
第三系: 52 phrases in 22 subjects
Agriculture1
Automobiles1
Aviation1
Bridge construction1
Business1
Computer networks2
Desert science3
Drilling3
Earth sciences1
Economy2
Electronics1
Finances2
General2
Geology7
Information technology4
International trade2
Librarianship1
Life sciences1
Oil / petroleum3
Polymers1
Technology9
Telecommunications3