石膏怎么做的？有知情人吗？

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石膏怎么做的？有知情人吗？</td></tr></tbody></table>

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<span class="y">2016-4-11 21:51 上传</span>
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敲碎成粉末然后加水化开，一前用来做米豆腐好像要加这个</td></tr></tbody></table>


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<div class="quote"><blockquote><font size="2"><font color="#999999">雄棒 发表于 2016-4-12 00:49</font></font><br>
敲碎成粉末然后加水化开，一前用来做米豆腐好像要加这个</blockquote></div><br>
不是这样，怎么做的成品，你说的那是石灰</td></tr></tbody></table>


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这叫方碣石</td></tr></tbody></table>


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