Research has been done on a new technology in producing aerated concrete with inferior pulverized-coal ash produced by Tangshan Xiyao Power Plant.
研究了以唐山市西窑热电厂劣质粉煤灰为原料生产加气混凝土的新工艺。
This paper expounds the meanings and concrete expressions of the student inferior group, discusses on how the library to provide the knowledge assistance to the student inferior group.
阐述了大学生弱势群体的含义和具体表现，论述了图书馆怎样对大学生弱势群体进行知识援助。
It has also put forward the concrete implement countermeasures according to the different objects of inferior group.
并针对不同对象弱势群体提出具体实施对策。
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