航海用无线电台
he didn't have his cell phone with him, but he thought maybe he might be able to raise someone on his marine radio to call for roadside assistance.
他没带手机,不过,他想,也许他可以通过海事无线广播来请求公路援助。
Design& Installation Marine Radio Repeater System at Danger Zone
船舶危险区域无线电通讯中继系统的设计与安装
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