无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

單項(xiàng)選擇題

What publications should a GMDSS Operator consult regarding the proper set-up and operation of vessel equipment().

A.ITU Publications
B.The manufacturers instruction manuals
C.Part 90 of the FCC Rules and Regulations
D.Code of Federal Regulations,Title 47,Part 80,Subpart W

微信掃碼免費(fèi)搜題