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地层岩性
 地层岩性
oil formation lithology
| 边界
 边界
bridg.constr. frontier; periphery
desert. edge
geol. frontier
hydroel.st. border; boundary
space borderline
sport. bound

to phrases
地层岩性
oil formation lithology
地层岩性: 30 phrases in 4 subjects
Engineering geology4
Metallurgy1
Oil / petroleum8
Technology17