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侏罗系 zhūluóxì
dril. jura
hydroel.st. Jurassic; Jurassic system
侏罗系 zhūluóxì
gen. Jurassic
侏罗系【纪】 zhūluóxì
geol. Jurassic
侏罗系
: 4 phrases in 3 subjects
Earth sciences1
Engineering geology1
Geology2