刚性材料和基面用无沙，弹性基面、有冷热交替受热不均匀（如地面被阳光照射）、普通陶砖（带孔的ceramic)用沙料

来源: fuz 于 2018-06-03 11:29:24 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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