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近几年,寒冷的大庆地区连续发生外墙挑出凸线脱落的现象。那么,这种现象是怎样产生的呢? 我对这种现象进行了现场滑查,发现产生这种现象的两种原因:
In recent years, the continuous appearance of the outer wall picking out the convex line in the cold Daqing area. So, how did this phenomenon come about? I performed a live slide check on this phenomenon and found two reasons for this phenomenon: