![](/images/ln23p.png)
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HD-680全数字双变频测深仪
![](https://media.zhdgps.com/8B643989-1F27-415E-9D24-738015A101A2.jpg)
HD-680
全数字双变频测深仪
15寸高亮显示屏
IP66级防水防尘
资料下载
设备参数