rock phosphate短语¹⁰⁶¹⁰⁰⁺⁵ 基本例句 磷酸岩,磷酸石 Relaying on abundant rock phosphate, the company devotes phosphoric chemicals business from long time. 公司依托中国丰富的磷矿资源，长期供应磷化工产品。 newbestintlres The lower the content of rock phosphate, the higher the rate of phosphorus leaching. 磷矿粉用量越低，磷的浸出率越高。 cnki