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autochthon; autochthonous rock | |||
solid rock | |||
autochthone | |||
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autochthon; autochthone | |||
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autochthon |
原 地岩 : 21 phrases in 5 subjects |
Desert science | 5 |
Engineering geology | 3 |
Explosives and Explosive Ordnance Disposal | 1 |
Oil / petroleum | 7 |
Technology | 5 |