如何用普通万用表测电流

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select * from tbl_Articles WHERE ArticleID=1578690 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1578690 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1578690 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(251722,1491845,2501089,281294,355005,1530839,1096857,2699609,260635,3015270,2142351,543875,1063641,1132145,314252,1995158,149881,1107833,346586,449184,1113584,326410,1084331,111329,113786,2683353,1396842,2547840,1898156,1084437) ORDER BY field (ArticleID,251722,1491845,2501089,281294,355005,1530839,1096857,2699609,260635,3015270,2142351,543875,1063641,1132145,314252,1995158,149881,1107833,346586,449184,1113584,326410,1084331,111329,113786,2683353,1396842,2547840,1898156,1084437)