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Terms for subject Aviation containing 无线索 | all forms
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搜索与救护无线电信标search and rescue radio beacon
搜索救援与归航无线电信标search and rescue and homing
搜索、营救与归航无线电信标search and rescue and homing (为营救人员而设计的一种无线电定位设备)
无线电应急搜索通信装置radio emergency search communications unit