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Warning: Trying to access array offset on false in /mnt/mydata/x/web/u_cndev/us-includes/3rdparty/secache/secache.php on line 75 这个比较难..........再说一般万用表也测不了啥电流,要用电流铗那种的,在进户后测吧,不过又套不住..........反正难,还不如看表怎么转,算一下 <- 中国开发网