From all possible members of the spinel groups, hercynite and galaxite, were found to be the most efficient.
在所有可晶矿族成员中,铁铝晶和锰铝晶被发现是最有效(添加剂)。
From all possible members of the spinel groups, hercynite and galaxite, were found to be the most efficient.
在所有可晶矿族成员中,铁铝晶和锰铝晶被发现是最有效(添加剂)。
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