其中的一个方法就是古老的苏打(纯碱)法制浆，只是得率和浆的质量有待改进，很多中助剂被应用到苏打法制浆过程中用来提高得率和改善浆的质量。
One such method might be the old soda method, if only the yield and pulp quality could be improved. Many different additives have been used to improve the yield and quality of soda pulp.
其中的一个方法就是古老的苏打(纯碱)法制浆，只是得率和浆的质量有待改进，很多中助剂被应用到苏打法制浆过程中用来提高得率和改善浆的质量。
One such method might be the old soda method, if only the yield and pulp quality could be improved. Many different additives have been used to improve the yield and quality of soda pulp.
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