visible smoke meaning in English

可见烟

Test method for heat and visible smoke release rates for materials and products
材料和产品的热和可见烟雾释放率的试验方法
Standard test method for heat and visible smoke release rates for materials and products
材料和产品的热和可见烟释放率的标准试验方法
Fire test for heat and visible smoke release for discrete products and their accessories installed in air - handling spaces
空气处理场所使用的个别分离性产品及其附件热和可见烟雾释放的燃烧试验
Standard test method for heat and visible smoke release rates for materials and products using an oxygen consumption calorimeter
利用氧消耗热量仪测定材料和产品的热和可见烟雾释放速率的标准试验方法