อากาศ, ความชื้น, อุณหภูมิ, HVAC, ความร้อน, ชื้น, การระบายความร้อน, เครื่องปรับอากาศ
Public Domain
ภาพถ่ายปลอดค่าลิขสิทธิ์ที่เกี่ยวข้อง
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