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The sample was dissolved in acid and acid , and acid fume was used to destroy fluorine.
试样以硝酸、氢氟酸溶解, 用高氯酸冒烟驱除氟.
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The picklinginhibitor and acid - fume inhititor has been mainly adopted for electroplating and coating pretreatment.
该工艺主要用于零件电镀、涂装前除锈,可在肯温下操作.
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