Take a look at the fan. Could it be that the fan equipped by the other party is too large, the air volume exceeds the amount that the pulse can handle, and pressure is formed inside
Look at the fan, will it be the other fan equipped with too large, the amount of wind more than the amount of pulse can be processed, which formed a pressure
Take a look at the fan. Will it be that the fan provided by the other side is too large, and the air volume exceeds the amount that can be handled by the pulse, forming pressure inside<br>