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太陽能熱水器的最佳上水時間在什么時間?

發布時間:2022年12月17日22:47:53 點擊次數:2796 打印此頁 關閉
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真空管內無水時,即空曬狀態下,管內溫度能達到250℃左右,此時上水造成真空管爆裂,故在水箱內無水或第一次上水時必須在日出前或太陽落山半小時后進行。
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