The answer to this problem is a portable air conditioner as it has many advantages.

这个问题的答案是因为它便携空调器有很多好处。

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Although we didn't have electricity for 10 days, we had a generator to run a small portable air-conditioner in the stifling heat.

尽管我们10天都没有电，但是我们有一台发电机来带动便携式空调来驱除炎热。

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This equipment is mainly used in the internal inspection inside the air conditioner duct It features compact size, portable design, high resolution, and wide visual angle etc.

该设备主要用于空调管道内部检测，具有体积小，使用便捷，摄像机分辨率高，可观察视角广等特点。

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