27. The minimum temperature to which the exhaust gas is cooled is also a limitation since, in
order to avoid what in the cold end of the boiler and stack, the temperature should not be allowed
to drop below the acid dew point?
(A) fatigue
(B) thermal fatigue
(C) creeping
(D) corrosion
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統計: A(52), B(212), C(88), D(575), E(0) #3147392
統計: A(52), B(212), C(88), D(575), E(0) #3147392