Bowl mills have not been widely employed for phosphate rock to date.
钵状磨矿机至今尚未广泛应用于磷矿的磨碎。
Phosphate rock is one of the four most important basic chemical commodities.
磷酸盐类的岩石是四种最重要的基本化学商品之一。
Phosphate rock is the major raw material in the production of Phosphate fertilizer.
磷矿是生产磷肥的主要原料。
Phosphoric acid was selected as bond to make phosphate rock powder into ball material.
研究选用磷酸作粘结剂，使碎磷矿粉粘结成型。
Phosphoric acid was selected as bond to make phosphate rock powder into ball material.
研究选用磷酸作粘结剂，使碎磷矿粉粘结成型。
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