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VHF Communication System: Effective range of 35 miles with multi-channel recording function.
VHF通信系统：有效作用距离35海里，具有多频道录音功能。
youdao
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VHF Communication System: Effective range of 35 miles with multi-channel recording function.
VHF通信系统：有效作用距离35海里，具有多频道录音功能。
youdao