abbr.总配线架；主配线板(=Main Distribution Frame)
The recommended file name extension for primary data files is. Mdf. 主数据文件的推荐文件扩展名是.
If the application is running, it cannot attach to new. Mdf files. 如果应用程序正在运行
The product is made of MDF, paulownia, pine, fir, etc. 此产品是采用MDF，泡桐，松木，杉木等材料精制而成，防水防潮，不易变形。
It consists of HDF board,MDF board and wood shavings board. 分高密度板、中密度板、刨花板。
There are many factors affecting formaldehyde release from MDF. 影响中密度纤维板甲醛释放的原因较多。
