单选题民用建筑集中采暖系统的热媒：（）A应采用热水B宜采用热水C宜采用天然气D热水、蒸汽均可
单选题
民用建筑集中采暖系统的热媒：（）
A
应采用热水
B
宜采用热水
C
宜采用天然气
D
热水、蒸汽均可
参考解析
解析：
暂无解析
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