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непосредственная кровля | |
construct. | mine roof |
dril. | adjacent strata |
geol. | hat; roof stone; immediate mine roof |
mining. | immediate roof; immediate hanging wall |
или | |
chem. | manganese boride |
подошва | |
gen. | sole |
непосредственная кровля: 12 phrases in 4 subjects |
Geology | 5 |
Makarov | 1 |
Mining | 5 |
Technology | 1 |