Multiple bubbles together in a small group, or black or dark brown bubbles are a typical indication of a damaged window heat control system.
许多气泡聚成一小组，或黑色或深棕色气泡是风挡加温控制系统损坏的典型迹象。
Multiple bubbles together in a small group, or black or dark brown bubbles are a typical indication of a defective window heat control system.
许多气泡一起成一小组，或黑色或深棕色气泡是典型的风挡加温控制系统缺陷迹象。
Through expounding the calculation process of the external wall, roofing, floor and door and window heat transmission coefficient, the article investigates the energy-savingc alculation.
文章通过对外墙、屋面、地面和门窗传热系数的计算过程加以阐述，探讨节能计算。
Through expounding the calculation process of the external wall, roofing, floor and door and window heat transmission coefficient, the article investigates the energy-savingc alculation.
文章通过对外墙、屋面、地面和门窗传热系数的计算过程加以阐述，探讨节能计算。
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