The difference in temperature of time of good weather, daytime and evening will become big, meeting the steam of cold air, change into small drop of water.
天气好的时候，白天与晚上的温差就会变大，遇到冷空气的水蒸气，就变为小水滴。
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。
Coil's import and export temperature difference with the coil the speed of increase of entrance first slow drop; then rose steadily, in accordance with this law changes gradually.
盘管的进出口温差随着盘管入口的速度的增大先缓慢下降，再平稳上升，依照此规律逐渐变化。
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