Búlgaro
Добив на въглища, нефт, природен газ, руди и битуминозни шисти.
Inglés
surface industrial installations for the extraction of coal, petroleum, natural gas and ores, as well as bituminous shale.
Última actualización: 2017-04-06
Frecuencia de uso: 4
Calidad:
Referencia: Agwingate