blaze acid
大火酸
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The 300, 000 litres (66, 000 gallons) of water that the firemen poured on the blaze helped to flush out the acid that had been used in the original papermaking process and which had previously been destroying the books.
ECONOMIST: The Duchess Anna Amalia library
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