表面扩展 meaning in English
surface spreading
Examples
- Fire hazard testing - part 9 - 1 : surface spread of flame - general guidance
着火危险试验.第9 - 1部分:火焰的表面扩展.通用导则 - Fire hazard testing - part 9 - 1 : surface spread of flame - general guidance
着火危险试验.第9 - 1部分:火焰的表面扩展.通用指南