常见例句双语例句The test and production process of liquid barium chloride synthesized by low grade witherite breeze and by-product hydrochloric acid were introduced.介绍了全部采用低品位毒重石矿粉与副产盐酸反应生成合格的液体氯化钡的实验方法和生产工艺。 返回 barium-chloride test