基本解釋柱硼鎂石同根派生 pinnoite相關(guān)詞英漢例句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鑛特點，對酸法制硼酸進行了工藝優(yōu)化研究。pinnoite更多例句