Normal safe operation of hot air curtain.

让热风幕器正常安全的运行。

Air curtain embroidered open several households.

几处风帘绣户开。

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 mine air curtain is a kind of good wind control technology.

矿用空气幕是一种较好的风流控制技术。