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【单选题】
有关小区锅炉房中供热锅炉的选择表述，下列何错误的?A.
热水锅炉的出口水压采用循环水系统的最高静水压力
B.
热水锅炉的出口水压，不应小于锅炉最高供水温度加20C。相应的饱和水压力(用锅炉自生蒸汽定压的热水系统除外)
C.
燃气锅炉应优先选用带比例调节燃烧器和燃烧安全的全自动锅炉
D.
新建独立锅炉房的锅炉台数不宜超过5台
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