It is shown that the air conditioning result of an air-conditioning umbrella with a warm air-curtain is much better than that with a cool air-curtain.

实验结果表明：热风幕空调伞的空调效果明显优于冷风幕空调伞的空调效果。

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It is shown that the air conditioning result of an air-conditioning umbrella with a warm air-curtain is much better than that with a cool air-curtain.

实验结果表明：热风幕空调伞的空调效果明显优于冷风幕空调伞的空调效果。

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