碳化硅的用途?

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select * from tbl_Articles WHERE ArticleID=3200837 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3200837 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3200837 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(770782,967514,2709496,630855,576573,3109629,606802,981869,1133396,358079,885923,3402320,2411439,1716638,2218001,988009,1008977,3426487,1156613,941949,3055963,967844,2096698,521688,2130159,613649,3042997,362695,392191,1463083) ORDER BY field (ArticleID,770782,967514,2709496,630855,576573,3109629,606802,981869,1133396,358079,885923,3402320,2411439,1716638,2218001,988009,1008977,3426487,1156613,941949,3055963,967844,2096698,521688,2130159,613649,3042997,362695,392191,1463083)