当水气凝结成水滴时，能量会被释放出来，使得周围的空气变暖。
When water vapour condenses into cloud droplets it gives up energy and warms the surrounding air.
水气凝结到一定程度就形成了小水滴，其重量足以使它落到地上，即为雨。
When the collected water becomes heavy enough, the water droplet falls to the earth as rain.
液态水是压缩空气在粉末涂装系统产生的主要问题，最好的办法是在液态水凝结出来之前将压缩空气中过剩的水气排除掉。
Liquid water is compressed air in powder coating system to produce a major problem, is the best way of setting out before in liquid water in the compressed air of the excess moisture to rule out.
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