Adding an external fan can also cool the battery.

加一个外置风扇可以降低电池温度。

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Laminar flow hood with an external fan mounted, side mounted fans to upload and fans of three, the installation methods are hanging, floor and mobile are three.

层流罩有风机外接装、风机上装和风机旁装三种，安装方式有悬挂式、落地式和移动式三种。

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PIV experiment is carried out on certain axial fan with and without external duct.

对某轴流通风机进行了有无外风筒的(开式)PIV实验。

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