2. This is a completely matte, silky, non-chalky black shadow. ����һ����ȫ�ƹ⡢˿�ʡ�����ĺ�ɫ��Ӱ��
3. It describes present situation bout solid matte treatment in Guixi Smelter, discusses several possible methods for treating solid matte and gives relevant techno - economic comparison. ���ܹ�Ϫұ���������ͭ����������״�������˹����ͭ�����ļ��ֿ��ܷ�������������Ӧ�ļ������ñȽϡ�
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n.
1. a mixture of sulfides that forms when sulfide metal ores are smelted
2. the property of having little or no contrast; lacking highlights or gloss v.
1. change texture so as to become matted and felt-like
2. not reflecting light; not glossy