pickling waste water
酸洗废水
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The process has been applied successfully to the enrichment and measurement of the trace Cr in the industrial waste water as well as in the steel pickling solutions.
该法已成功地应用于富集和测定钢材酸洗液和工业废水中微量铬。
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