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原岩 yuányán
oil protolith; virgin rock; country-rock
tech. country rock; primitive rock; rock in place
原岩未受采掘影响的天然岩体 yuányán
expl. virgin rock; initial rock
原岩未扰动岩石 yuányán
expl. rock in place
原〔母,主,围〕岩
life.sc. country rock
原岩
: 181 phrases in 21 subjects
Agriculture1
Bridge construction2
Construction1
Desert science20
Drilling2
Earth sciences5
Ecology1
Engineering geology21
Explosives and Explosive Ordnance Disposal16
French1
General7
Geology2
Hydroelectric power stations1
Hydrology1
Latin2
Life sciences1
Management1
Mining1
Oil / petroleum30
Space1
Technology64