Would you please rephrase below sentence for me? I am not sure if my understanding is correct.
It was deduced that the external and internal cavities were connected through which the refrigerant escaped from inside to outside the header tube.
That doesn't make sense to me. I don't know what 'through which' refers to. Perhaps the writer means this.
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That doesn't make sense to me. I don't know what 'through which' refers to.
Perhaps the writer means this.
It was deduced that the external and internal cavities through which the refrigerant escaped from inside to outside the header tube were connected.