在碳化过程中，毛织物由稀硫酸处理、烘干，然后升温直至不纯物质全部碳化。
In the carbonizing process, the wool cloth is treated with dilute sulfuric acid, dried, and then heated until the impurities are converted to carbon.
在碳化过程中，毛织物由稀硫酸处理、烘干，然后升温直至不纯物质全部碳化。
In the carbonizing process, the wool cloth is treated with dilute sulfuric acid, dried, and then heated until the impurities are converted to carbon.
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