空调系统中的异程式系统具有的特点包括（）。

A.管路简单

B.不需采用同程管

C.水系统投资较少

D.各并联环路的管路总长度基本相等

参考答案：ABC

本题的考点为异程式空调系统的特点。异程式空调系统管路简单，不需采用同程管，水系统投资较少，但水量分配、调节较难，如果系统较小，适当减小公共管路的阻力，增加并联支管阻力，并在所有盘管连接支管上安装流量调节阀平衡阻力，则亦可用异程式布置。

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