The recovery ratios of Cr2O3 and 4mol/L HC1 insoluble ash were 101.4% and 96.3% respectively.是什么意思_The recovery ratios of Cr2O3 and 4mol/L HC1 insoluble ash were 101.4% and 96.3% respectively.在线翻译_英语_读音_用法_例句