On offshore drilling units,each EPIRB or SART must be tested once every().
A、day
B、week
C、month
D、year
A、day
B、week
C、month
D、year
A、is drilling on the Outer Continental Shelf B、moves to a new drilling location in U-Swaters C、engages in a voyage to a port of another country which is a party of MARPOL D、All of the above
A、load line certificate B、Operations Manual C、Safety of Life at Sea Certificate D、Certificate of Inspection