sodium hydrosulfite是什么意思 sodium hydrosulfite怎么读
sodium hydrosulfite的用法和样例
- In the paper,the analysis and prospects on sodiuM hydrosulfite application in Chinese pulp and paper industry are Made.
对连二亚硫酸钠在我国造纸工业的应用前景做了分析和评价。 - It is necessary to gurantee defenite concentration of sodium hydroxide and sodium hydrosulfite for enhancing coloring quality in colorating.
用还原染料靛蓝染色时，为提高染色质量，需保证一定的火碱浓度和保险粉浓度。
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