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noun | adjective | to phrases
houillère f
met. miniera di carbone fossile; carboniera m; miniera di carbone; pozzo carbonifero
houillère adj.
industr. miniera di carbon fossile
houiller étage adj.
earth.sc. carbonico superiore piano
houillère
: 29 phrases in 5 subjects
Coal4
Earth sciences4
Industry3
Metallurgy17
Mining1