日常使用只需开启排风机即可开始正常工作。
Daily use only need to open the exhaust fan can start working.
检查排风机电机外表面；
炉的排风机你开了吗？
挑战1：你可以找出下面图片中所以得排风机吗？
Challenge 1: Can you spot all the exhaust fans in the picture below?
本文对横流风机式谷物脱粒机排风管道的形状进行了研究。
In this paper, the shape of the air exit of cross-fan grain thresher was studied.
本文对横流风机式谷物脱粒机排风管道的形状进行了研究。
In this paper, the shape of the air exit of cross-fan grain thresher was studied.
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