摘要
随着居住条件、质量等的提高,系统外保温受到人们的广泛青睐,但是,这种保温材料也有其共性缺点———裂缝。
With improved living conditions, quality etc, heat preservation of the system's outer wall of is widely favored by people, but the thermal insulation material has its common defect--crack.
出处
《山东机械》
2004年第5期50-50,57,共2页