天气冷,湿度高 you have already answered your own question. It is a common phenomenon.$ m) m( d! n* ]/ G" Y8 U. Y
Ask your builder, they will tell you what exactly run above and make that sound.
0 d. F2 U& P( o+ S' `We have 类似水滴的声音 from the beginning and been this house for 3 years. # b) u L# |5 q6 ^' y% WNobody tells us what exactly that is. A city guy can't tell us anything about that. 7 b- i0 V6 a# G4 L6 w. S % P. m/ |2 D0 H1 _; ?The house is good so far, so we just leave it alone.