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Messages - SallyWaxma

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Around Suannan / Portable Personal Cooler Mini A/c System
« เมื่อ: มกราคม 01, 2021, 06:29:06 am »
By reversing the circulation of cooling agent, the heatpump refrigeration cycle is transformed from cooling to heating or the other way around.

My page :: air conditioning system split (recent Ello blog post)

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