A.the capstan
B.the collector
C.the panels
D.the surface
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A.distribution boards
B.section boards
C.emergency switch boards
D.main switch boards
A.distribution boards
B.section boards
C.emergency switch boards
D.main switch boards
A.ultra much space
B.universal medium system
C.unit machined space
D.unattended machinery space
A.the engine crankcase
B.the engine scavenge boxes
C.drain tanks
D.fuel tanks
A.regulate the fuel supply
B.maintain a constant fuel viscosity at the fuel valves
C.maintain efficient cooling
D.alter the fuel density
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For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）