燐灰岩
Meanings
1
phosphate rock; phosphorite
Geological term for a sedimentary rock rich in phosphate minerals, used mainly in fertilizer production.
Phosphate rock is important as a raw material for phosphate fertilizers.
phosphate rock; phosphorite
Geological term for a sedimentary rock rich in phosphate minerals, used mainly in fertilizer production.
Phosphate rock is important as a raw material for phosphate fertilizers.