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美国卡特勒·哈默公司 AIL 分部最近发明了一种重量轻的微波扫描波束直升机着陆设备。它叫作 PACSOAN,此系统将一个信标器、下滑信标和精密测距器都放置在一个
AIL Division of Cutler & Hammer in the United States recently invented a lightweight microwave scanning beam helicopter landing gear. It’s called PACSOAN, which places a beacon, a fall beacon and a precision range finder in one