A search and rescue region is _____.

题库:船长 类型:最佳选择题 时间:2019-02-14 17:22:46 免费下载:《甲类船长英语考证》Word试卷

A search and rescue region is _____.
A.A search area
B.An area covered by airsurveillance
C.An area covered by radarsurveillance
D.An area of defined dimensions

本题关键词:AA-PNH综合征,僵a,ECF-A,EP21-A,EP6-A,EP18-A,EP7-A,Lp(a),Lp（a）,A-aDO2;