GB/T 9966.1-2020天然石材试验方法第1部分:干燥、水饱和、冻融循环后压缩强度试验标准
英文:Test methods for natural stone—Part 1:Determination of dry,wet and after freezing compressive strength GB/T 9966.1-20...
英文:Test methods for natural stone—Part 1:Determination of dry,wet and after freezing compressive strength GB/T 9966.1-20...