并能够防止热风幕器出现大的故障。
And can prevent the hot air curtain device appear big fault.
youdao
可以保证热风幕器的使用期限。
Can guarantee the use period of the hot air curtain.
热风幕投入使用初期，一切运行正常。
The hot air curtain was put into use at the beginning, everything was running normally.
让热风幕器正常安全的运行。
Normal safe operation of hot air curtain.
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