一但有空气进入,一定要先抽真空, 再加制冷剂。否则的话,空气中的水汽会冷凝形成水滴,堵塞制冷系统。
一但有空气进入,一定要先抽真空, 再加制冷剂。否则的话,空气中的水汽会冷凝形成水滴,堵塞制冷系统。
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