SOLAS ships shall be equipped with().
A、an EGC receiver only
B、a satellite communication system
C、a HF radio system
D、a VHF with DSC system
A、an EGC receiver only
B、a satellite communication system
C、a HF radio system
D、a VHF with DSC system
A、two rockets,one of which shall be the buoyant type B、three rockets,one of which shall be the buoyant type C、four rockets,two of which shall be the buoyant type D、five rockets,two of which shall be the buoyant type
A、Not under-way B、Not under command C、Restricted in her ability to maneuver D、A non-displacement ship
A、three shapes,the highest and lowest shall be red balls,and the middle shall be a white diamond B、two black balls C、three shapes; the highest and lowest shall be black balls,and the middle shall be a red diamond D、three shapes; the highest and lowest shall be black balls and the middle shall be a black diamond