发布时间:2025-02-08 10:31:25
XPS——挤塑聚苯板
X250——压缩强度≥250kPa
SS——边缘结构形式为四边平头型
B2——燃烧性能为B2级
030——容重≤30Kg/m³
谁能把下面文字变成复制的谢了 http4747wwwcjsyeducom47html47jxhl47jcxx47chuyi47c1018474272html
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