The above two kinds of devices can be in a dryer the flow of compressed air cooling to constant temperature and avoid a cold and led to excessive condensing liquid produce.
上述两种装置都可以将干燥器中一定流量的压缩空气冷却至恒定的温度，避免过冷而导致过多的冷凝液体产生。
Aluminium plastic compound pipe may be used for transportation of cold and hot water, liquid acid, alkali and salt, and various gases as fuel gas, oxygen, compressed air, etc.
铝塑复合管可用于冷热水，酸碱盐各种液体，燃气、氧气、压缩空气等各种气体的输送。
Apart from basic requirements such as lighting and electricity, the compressed air, hot and cold water, steam, drains or gas are usually items that exhibitors might require.
除了像照明和用电这样的基础设施之外，压缩空气、冷水、热水、蒸汽、煤气、排水设施也是参展商可能会要求的服务。
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