In series connection and parallel connection can compound use.
串联和并联连接两种方式可混合使用。
Parallel connection? Small pressure drop Small temperature difference Difficult monitoring of blockage.
平行连接？ ？ ？压力降小温度差小不易检查通道断路。
Parallel connection? Small pressure drop Small temperature difference Difficult monitoring of blockage.
平行连接？ ？ ？压力降小温度差小不易检查通道断路。
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