distress-signal n.遇險(xiǎn)信號(hào)distress-rocket n.遇險(xiǎn)信號(hào)用火箭distress-gun n.遇險(xiǎn)信號(hào)炮distress-call 遇險(xiǎn)信號(hào)distress telex call [交通運(yùn)輸工程]遇險(xiǎn)電傳呼叫distress telephone call [交通運(yùn)輸工程]遇險(xiǎn)電話呼叫distress signal rocket 遇險(xiǎn)信號(hào)火箭distress signal 呼救信號(hào)；遇難信號(hào)distress selling 廉價(jià)拋售distress radio frequency [航空、航天科學(xué)技術(shù)]遇險(xiǎn)無線電頻率distress radio call system [交通運(yùn)輸工程]遇險(xiǎn)無線電呼叫系統(tǒng)distress priority call [交通運(yùn)輸工程]優(yōu)先遇險(xiǎn)呼叫遇險(xiǎn)優(yōu)先呼叫distress gun [地球科學(xué)]遇難炮[交通運(yùn)輸工程]遇難炮遇難信號(hào)槍distress frequency [電子、通信與自動(dòng)控制技術(shù)]遇險(xiǎn)呼救頻率遇險(xiǎn)頻率distress for rent 欠租扣押distress flag [交通運(yùn)輸工程]遇險(xiǎn)信號(hào)旗[地球科學(xué)]遇險(xiǎn)信號(hào)旗distress call format [商業(yè)]遇險(xiǎn)呼叫格式[交通運(yùn)輸工程]遇險(xiǎn)呼叫格式distress call apparatus [地球科學(xué)]遇難呼救裝置[交通運(yùn)輸工程]遇難呼救裝置distress call 遇險(xiǎn)信號(hào)；求救呼號(hào)distress alerting network [地球科學(xué)]遇險(xiǎn)報(bào)警網(wǎng)絡(luò)[交通運(yùn)輸工程]遇險(xiǎn)報(bào)警網(wǎng)絡(luò)