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Synthesis of amino - sulfonic acid - based high performance water - reducer and testing results of later stage concrete were discussed.
本文主要讨论了氨基磺酸系高性能减水剂的合成过程及后期混凝土试验情况.
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英汉双解词典包含4367426条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。