5106| 8
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SIM900A一插SIM卡就挂了,不插就一直搜索信号 |
1金钱
最佳答案十有八成都是电源问题啊。。。SIM900A对电源要求高啊!!!
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认真做好笔记....
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认真做好笔记....
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学无止境
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认真做好笔记....
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