The invention comprises a main agent and an auxiliary component; the main agent component is aluminum potassium sulfate or aluminium ammonium sulfate.
本发明包括主剂和辅剂成份，主剂成份为硫酸铝钾或硫酸铝铵。
Curved diffuser is an important auxiliary component of main fan installations of mine, whose performance directly influences the operating efficiency of the installations.
扩散弯道是矿井主要通风机装置的重要辅属装置，其性能的优劣直接影响通风机装置的运行效率。
In such a situation, it is essential to introduce an auxiliary component, which provides for interactions between the four core components and an interface for the client of the advanced registry.
在这种情况下，有必要引入一个辅助组件，此组件将在4个核心组件和一个高级注册表的客户端接口之间提供交互。
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