washing with caustic soda
washing with caustic soda
用苛性钠清洗
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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In the process of washing, these swollen and decomposed impurities are washed off together with the residual caustic soda, thus improving the efficiency of scouring.
在水洗过程中，这些膨化而分解了的杂质同残留的烧碱一起被洗除，从而使煮练效率提高。
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