发布时间:2025-02-07 23:06:09
小功率的话可以直接采用对接或者耦合的方式来做了,这样都有一个条件就是汇聚的光纤要比另外几根光纤捆绑起来更粗,不然效率很低
在房间里装监控摄像头在窗户那照外面到晚上红外灯亮就看不见外面了是因为窗户玻璃的反光怎么解决
2025-02-07 23:06:09 2025-02-07 23:06:09 2025-02-07 23:06:09 2025-02-07 23:06:09 2025-02-07 23:06:09 2025-02-07 23:06:09 2025-02-07 23:06:09 2025-02-07 23:06:09 2025-02-07 23:06:09 2025-02-07 23:06:09 2025-02-07 23:06:09 2025-02-07 23:06:09 2025-02-07 23:06:09 2025-02-07 23:06:09 2025-02-07 23:06:09 2025-02-07 23:06:09昨天发工资其中一张一百元能过验钞机但我去银行atm机存钱识别不了怎么回事
2025-02-07 23:06:09 2025-02-07 23:06:09 2025-02-07 23:06:09 2025-02-07 23:06:09 2025-02-07 23:06:09 2025-02-07 23:06:09 2025-02-07 23:06:09