Start up fan will air into the furnace chamber, make drum boiler stop when the gas chamber may remaining purging and fan blowing off five minutes before commencement of ignition.
启动风机将空气鼓入加热炉炉膛，使停炉时可能残存炉膛内的煤气吹净，风机吹扫5分钟后方可送气点火。
I am not a great fan of appeals because I said at the start that we are very open to co-operate with the fa investigation and I don't think we should stop that.
我对上诉并不是非常有兴趣，因为从一开始我就说了，我们对于足总的调查会非常合作，我相信我们不会停止合作的。
Soft starter reduce the shock that is happened in the process start and stop to the draught fan equipment so as to extend convey system service life and decrease maintenance.
降低起动和停车过程中对水泵、管道等设备的冲击，从而延长水泵系统的使用寿命，减少维护量。
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