为什么火线和零线间有电压

页面:/news/view-1858811/ | 耗时:0.0780 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=1858811 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1858811 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1858811 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1089498,1044035,1123979,1115485,1068672,1125190,1110021,1085942,1053162,1101437,1091952,1084089,980889,1122583,1068356,1104533,1066594,1071195,1095578,1092211,1086085,1093799,1089684,1098211,1125210,3456221,1068900,1094057,1127241,1123042) ORDER BY field (ArticleID,1089498,1044035,1123979,1115485,1068672,1125190,1110021,1085942,1053162,1101437,1091952,1084089,980889,1122583,1068356,1104533,1066594,1071195,1095578,1092211,1086085,1093799,1089684,1098211,1125210,3456221,1068900,1094057,1127241,1123042)