氟利昂变液态后不能回流你是怎么判断的呢?
evaporator coil 前应该有个阀门,哪儿有个很窄的通道,容易堵。
氟利昂变液态后不能回流你是怎么判断的呢?
evaporator coil 前应该有个阀门,哪儿有个很窄的通道,容易堵。
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