Unverified80% confidenceTradeoffTime unknown
带摇头(左右摆动)功能的红外取暖器能把辐射范围从固定一点扩展到约120度扇形区,适合多人共用;但摆动时任意时刻仍是定向加热,无法实现真正的均匀供暖
1
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80%
Confidence
Long-term
Relevance
-
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