Usually, emergency electricity supplies to_______on board

A．Cargo winch

B．Windlass

C．Steering gear

D．Main air compressor

[单选题]Usually, emergency electricity supplies to_____on boardA．Cargo winchB．WindlassC．Steering gearD．Main air compressor

[单选题]The emergency generator or emergency battery is connected to _______on most large ships.A．distribution boardsB．section boardsC．emergency switch boardsD．main switch boards

[单选题]________is supplied with electricity by main switchboard directly not through sub-board on boardA．Deck machineryB．Little power loadC．Some important load machineryD．Stationary submersible pump

[名词解释] 英译汉：emergency

[单选题]It took building supplies to construct these energy-saving houses. It took brains, too.A． other than B morethanC rather than D less than

[单选题]It was from only a few supplies that she had bought in the village the hostess cooked such a nice dinner.A． whereB．thatC．whenD．which

[单选题]（） supplies pilot air to control the cylinder air start valves.A . An air compressorB . An indicator cockC . An air distributorD . A safety valve

[名词解释] 紧急停堆 emergency shutdown

[单选题]It is absolutelyvital that food supplies should be [maintained.]A.preserved

[单选题]Dumped wastemight [contaminate] water supplies.A.destroyB. decreaseC. pollu