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This paper discusses the method and principle of lime softening treatment of water.
阐明了石灰软化水处理的原理及方法。
youdao
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The preparation method of a kind of steamed lime-sand brick was studied.
研究了一种蒸养灰砂砖的制备方法。
youdao
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The preparation method of a kind of steamed lime-sand brick was studied.
研究了一种蒸养灰砂砖的制备方法。
youdao