Loose iron fillings and magnets are the typical tools for studying magnetism.
使用铁粉及磁铁是很典型学习电磁学的方法。
This paper presents a method featuring the utilization of coal ash and iron fillings to treat dyeing and finishing wastewater.
提出采用粉煤灰和铁屑组合处理印染废水的方法。
This paper presents a method featuring the utilization of coal ash and iron fillings to treat dyeing and finishing wastewater.
提出采用粉煤灰和铁屑组合处理印染废水的方法。
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