Aspiration of the wind, blowing fan happy, the children carrying the blessing of the boats, drift to the happiness of you, gently greetings: happy 61!
心愿的风，吹着快乐的帆，载着对小朋友祝福的船，漂向快乐的你，轻轻地问候：六一节快乐！
That is to say, the improvement of the capability of the fan can help to overcome the problem of the total ventilation resistance drift.
提高通风机能力，有利于克服通风机通风系统总风阻飘移的问题；
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