单项选择题
The emergency generator or emergency battery is connected to（） on most large ships.
A.distribution boards
B.section boards
C.emergency switch boards
D.main switch boards
点击查看答案&解析
相关考题
-
单项选择题
The main generators are connected to（）.
A.distribution boards
B.section boards
C.emergency switch boards
D.main switch boards -
单项选择题
UMS stands for（）.
A.ultra much space
B.universal medium system
C.unit machined space
D.unattended machinery space -
单项选择题
Oil mist detectors are usually used on board to detect oil mist density within （）.
A.the engine crankcase
B.the engine scavenge boxes
C.drain tanks
D.fuel tanks
