天气冷,湿度高 you have already answered your own question. It is a common phenomenon.* f$ z" `& f' c+ I- b2 R
Ask your builder, they will tell you what exactly run above and make that sound.
N* O9 n) q; p/ oWe have 类似水滴的声音 from the beginning and been this house for 3 years. ! k L7 i9 B) j c
Nobody tells us what exactly that is. A city guy can't tell us anything about that.. L9 N" B3 C/ H+ b" m
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The house is good so far, so we just leave it alone.