发布时间:2025-01-31 07:48:30
国标的材料,年限比较长,10-20年。防水施工的时候,一般保质期是5年。不过非标的那就不好说了。当然国标的比非标的贵的多啦。
Autodesk AutoCAD 2016 安装失败 64位WIN7系统
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