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油页岩 yóuyèyán
environ. pizarra bituminosa (油母岩质物,细薄板状的棕色或黑色沉积岩,蒸馏将产生液态或气态碳氢化合物。)
geol. esquisto petrolífero
UN, geol. esquistos m
油页岩: 1 phrase in 1 subject
Geology1