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；
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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