Strong magnetic separators of main functions: the removal of the miscellaneous stone, improve the grade, achieve sales.
强磁磁选机的主要功能：除去杂石，提高品位，实现销售。
Of course, the trees placed under the stone should not be too small, should not be too much, more miscellaneous.
当然，大树下摆放石头不宜太小，亦不宜太多，多则杂。
Large dark green lanes, there are gray stone miscellaneous flaws, resulting in the Han Dynasty.
大体呈墨绿，杂有灰白石瑕，产生于汉代。
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