天气冷,湿度高 you have already answered your own question. It is a common phenomenon. - i7 \8 a$ @" o3 i$ UAsk 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. 7 A' { F. e' j% V
Nobody tells us what exactly that is. A city guy can't tell us anything about that.. ^7 q0 y" y( U3 I! i& D0 }- ` C
7 Q2 O6 i! v) z* ?* h" sThe house is good so far, so we just leave it alone.