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【多选题】
新型中央空调系统的主要设备包括（）终端装置（如风口、加热器）等设备
A.
冷冻（热）水循环泵
B.
全封闭式或半封闭式制冷压缩机
C.
新风处理机
D.
风道
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Most shoppers know the feeling. You stand in front of piles of organic produce and wonder what those premium prices are buying you over and above what you get from standard foods. Not a lot nutrition-...
A.
do not use naturally produced fertilisers
B.
produce carbon dioxide when removing weeds
C.
use high doses of weed-killer
D.
use too many resources to qualify for organic status