Normal safe operation of hot air curtain.
让热风幕器正常安全的运行。
Can guarantee the use period of the hot air curtain.
可以保证热风幕器的使用期限。
And can prevent the hot air curtain device appear big fault.
并能够防止热风幕器出现大的故障。
The hot air curtain was put into use at the beginning, everything was running normally.
热风幕投入使用初期，一切运行正常。
Please draw the curtain apart and let the fresh air in.
请把窗帘拉开，让新鲜空气进来。
Please draw the curtain apart and let the fresh air in.
请把窗帘拉开，让新鲜空气进来。
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