氟利昂變液態後不能回流你是怎麽判斷的呢?
evaporator coil 前應該有個閥門,哪兒有個很窄的通道,容易堵。
氟利昂變液態後不能回流你是怎麽判斷的呢?
evaporator coil 前應該有個閥門,哪兒有個很窄的通道,容易堵。
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