We make superphosphate by reacting rock phosphate with sulphuric acid.
We make superphosphate by reacting rock phosphate with sulphuric acid.
我们使磷酸盐岩同硫酸发生化学反应制造过磷酸钙。
We make superphosphate by reacting rock phosphate with sulphuric acid.
我们使磷酸盐岩同硫酸发生化学反应制造过磷酸钙。