短語(yǔ)詞組短語(yǔ)phosphate rock deposit 磷灰?guī)r鑛牀phosphate rock uncalcined 未焙燒磷酸鹽巖phosphate rock acidulated 酸解磷鑛impurities in phosphate rock 磷鑛襍質(zhì)Yichang phosphate rock 宜昌磷鑛phosphate rock decomposition 磷鑛酸解artificial blending phosphate rock 人工配鑛powdery phosphate rock 磷鑛粉 返回 phosphate rock