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单选题
For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）
A
the temperature and flow quantity of the exhaust gas from M.E
B
the quantity of steam demanded
C
the rotary speed and the cooling water temperature of main engine
D
efficiency of M.E turbocharger
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考题
单选题For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）A
the temperature and flow quantity of the exhaust gas from M/EB
the quantity of steam demandedC
the rotary speed and the cooling water temperature of main engineD
efficiency of M/ turbocharger
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