单词	fortuitous accident
释义	同accident {= acc.}-- fortuity-- casualty
随便看	radio detecting and ranging radio detecting and ranging (radar) radio detecting and ranging {=radar} radio detection radio-detection radio detection and location radio detection and ranging radio detection and ranging (radar) radio detection and ranging{=radar} radio detector radiodetector radio determination radio determination satellite radio determination-satellite service radiodetermination-satellite service radiodetermination service radio determination station radiodetermination station radio detonator radiodiagnosis radiodiagnostic c-arm radiodiagnostic u-arm radio diameter radio digital system radio directional beacon