瓦时是什么单位

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select * from tbl_Articles WHERE ArticleID=924640 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=924640 LIMIT 0,1
select * from tbl_Articles_sphinx where id=924640 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(395295,1119694,396513,1107479,1119920,400692,3365589,1703753,358369,380795,1471041,364696,1304993,358639,369539,396445,361295,1298096,384333,1107020,364288,570300,382760,1803942,1097945,1114802,1100262,1503541,1089199,1109685) ORDER BY field (ArticleID,395295,1119694,396513,1107479,1119920,400692,3365589,1703753,358369,380795,1471041,364696,1304993,358639,369539,396445,361295,1298096,384333,1107020,364288,570300,382760,1803942,1097945,1114802,1100262,1503541,1089199,1109685)