pinnoite 中文意思是什麼
pinnoite
解釋
柱硼鎂石-
According to the characteristics of pinnoite in dachaidan, a new technology of preparing boric acid with two - step sulfuric acid method was studied
摘要針對大柴旦柱硼鎂石礦特點，對酸法制硼酸進行了工藝優化研究。
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