单词	aircraft life
释义	aircraft life 飞机使用期限
随便看	optical scanne opticalscanner optical scanner optical scanner bar code optical scanner reader optical scanners optical scanning Optical Scanning Device Optical Scanning Devices optical scanning holography Optical Scanning Recognition optical scanning station optical scanning system optical scanning unit optical scatter optical scattering optical scattering by dispersive media optical scattering by nonhomogeneous media optical scattering by rough surfaces optical scattering centres optical scattering characteristic optical scattering coefficient optical scattering law optical scattering property optical scattering region