您要查找的是不是：
- medium and low grade phosphate rock 中低品位磷矿
- STUDY ON MIDDLE GRADE PHOSPHATE ORES WITH ELECTROSTATIC SEPARATION 环保型矿山选矿技术获突破磷矿的电选试验研究
- low grade phosphate rock with high magnesium content 高镁低品住磷矿
- Study of Filtration Properties of Wet-Process Phosphoric Acid Slurry Made by Median or Low Grade Phosphate Rocks 中低品位磷矿湿法磷酸料浆过滤性能研究
- Exploration on the Reverse Flotation Technology of Zhijin Median or Low Grade Phosphate Rocks 织金中低品位磷矿石反浮选工艺的探索
- A low number; a low grade of oil. 一个小的数; 低级油
- John is down on his teacher because she gave him a low grade. 约翰恨他的导师，因为她给他打了低分。
- My son mucked up the car engine by using cheap, low grade gasoline. 我的儿子使用便宜的低级汽油,汽车引擎损坏了。
- low grade phosphate rock 低品位磷矿
- Low grades are getting Hellen down. 低分数使海伦闷闷不乐。
- Low grades are get ting Helen down. 考分很低使海纶闷闷不乐。
- He is a bit let down by the low grade he got. 这次成绩不好, 他有点气馁。
- Mining and beneficiation of chemical mines including sulfur ores, phosphate ores, kalium ores, etc. 硫、磷、钾等化学矿开采、选矿。
- In view of existing problem in phosphate chemical industry in the province, proposal about making use of middle-low grade phosphate rock, energetically developing rock process and low concentrate phosphate fertilizer was put forward. 针对该省磷化工产业存在的问题,提出了充分利用中低品位磷矿资源,大力发展选矿,实行采选结合,矿化结合因矿制肥发展低浓度磷肥等建议。
- Chemical beneficiation is an effective method for treating refractory phosphate ores. 化学选矿是处理难选磷矿石的有效方法。
- My son muck up the car engine by using cheap, low grade gasoline. 我的儿子使用便宜的低级汽油,汽车引擎损坏了。
- The teacher remonstrated with the boy about his low grades. 教师告诫男孩，说他的分数太低了。
- Poly-complex collector H907 for phosphate ores is developed by the mixture of polythene acetic ester and methyl sulfonate. 是聚乙烯醋酸酯与磺化甲酯盐混合而得的一种磷灰石型矿石的聚-复型捕收剂。
- The teacher remonstrated with the boy about his low grade. 教师告诫男孩,说他的分数太低了。
- The property of concentrated MAP slurry, which is made from wet phosphoric acid and mid grade phosphate rock,is studied. 研究了中品位磷矿湿法磷制得的浓缩磷铵料浆进行氨二次中和后的特性。
