天气冷,湿度高 you have already answered your own question. It is a common phenomenon.2 X3 |* ~+ \5 V& q D j
Ask your builder, they will tell you what exactly run above and make that sound.
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We have 类似水滴的声音 from the beginning and been this house for 3 years. ) E h4 M* M- N7 X' e- b
Nobody tells us what exactly that is. A city guy can't tell us anything about that.% K% f: }% O& ~, s) ?* Q, c
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The house is good so far, so we just leave it alone.