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

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单项选择题

A.ultra much space
B.universal medium system
C.unit machined space
D.unattended machinery space

单项选择题

A.the engine crankcase
B.the engine scavenge boxes
C.drain tanks
D.fuel tanks

单项选择题

A.regulate the fuel supply
B.maintain a constant fuel viscosity at the fuel valves
C.maintain efficient cooling
D.alter the fuel density