膨胀系数不相配必须会引起重心不稳定。
This mismatch in coefficient is certain to result in instability of the center of gravity.
现浇砼屋面的砖混房屋中 ，由于砼与砖砌体的线膨胀系数相差一倍 ，顶层墙体容易产生温度裂缝 。
Temperature crack control of the top wall in masonry-concrete building with cast-in-place concrete roof;
现浇砼屋面的砖混房屋中 ，由于砼与砖砌体的线膨胀系数相差一倍 ，顶层墙体容易产生温度裂缝 。
Temperature crack control of the top wall in masonry-concrete building with cast-in-place concrete roof;
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