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(duì)大柴旦柱硼鎂石鑛特點(diǎn)，對(duì)酸法制硼酸進(jìn)行了工藝優(yōu)化研究。pinnoite更多例句