pinnoite

英 ['pɪnəwaɪt] 美 ['pɪnəwaɪt]

• 柱硼镁石

pinnoite的用法和样例：

例句

1. According to the characteristics of pinnoite in Dachaidan, a new technology of preparing boric acid with two-step sulfuric acid method was studied.
   摘要针对大柴旦柱硼镁石矿特点，对酸法制硼酸进行了工艺优化研究。