This product to air-entraining agent selective;
本产品对引气剂有选择性；
Research on the affection of air-entraining agent to cement stabled rock mechanical function;
本文研究了不同的引气量和可调静子叶片安装角对压气机性能的影响。
Research on the affection of air-entraining agent to cement stabled rock mechanical function;
本文研究了不同的引气量和可调静子叶片安装角对压气机性能的影响。
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