单项选择题
A.Accommodation lighting B.Windlass C.Main sea water pump D.Compressor
()belongs to emergency power supplying equipments.A.Nav...
单项选择题()belongs to emergency power supplying equipments.
A.Navigation lamp B.Windlass C.Main sea water pump D.Compressor
()is not installed on the emergency switchboard.A.Ammet...
单项选择题()is not installed on the emergency switchboard.
A.Ammeter and changeover switch B.Speed governor device C.Synchroscope D.Wattmeter
()is not installed on the emergency switchboard.A.Contr...
A.Control panel B.Paralleling panel C.Load panel D.Busbar