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weiqinghua:超极限啦…检查极限感应器! (2012-10-20 10:22)
caimingf:就算你在SC卡上1-4 个口看不到灯亮,光回路中有一个光模不行都会报警的,光弱也会报警的,第一组光回路,可以帮你修,13823699649 (2012-10-20 14:41)