天气冷,湿度高 you have already answered your own question. It is a common phenomenon./ Q0 {1 Y% y+ V& _
Ask your builder, they will tell you what exactly run above and make that sound.
' a, N+ u: y8 O+ t- @We have 类似水滴的声音 from the beginning and been this house for 3 years. * Z/ c' F! f# G i z0 Z( r
Nobody tells us what exactly that is. A city guy can't tell us anything about that.# @- {( Q! b" z2 }7 e& i
4 z. }/ R, u; X$ `" I7 vThe house is good so far, so we just leave it alone.