A.自然循环锅炉 B.强制循环锅炉 C.直流锅炉 D.复合循环锅炉 E.低循环倍率锅炉
A.8 B.10 C.12 D.15
A.11000 B.13000 C.15000 D.17000
A.石油液化气 B.焦炭 C.重油 D.树木
A.15° B.17° C.19° D.21°
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