free flame meaning in English
活火
活火；自由火焰
自由火焰
Examples
- Halogen - free flame retardant optical filber cable
无卤阻燃光缆 - Communication cables - common design rules and construction - halogen free flame retardant insulation compounds
通信电缆.通用设计规则和制造.无卤素的阻燃绝缘化合物 - Communication cables - common design rules and construction - halogen free flame retardant thermoplastic sheathing compounds
通信电缆.一般设计规则和制造.无卤素的阻燃热塑性铠装化合物 - Communication cables - part 2 - 26 : common design rules and construction - halogen free flame retardant insulation compounds
通信电缆.第2 - 26部分:通用设计规则和结构.无卤素的阻燃绝缘化合物 - Communication cables - part 2 - 27 : common design rules and construction - halogen free flame retardant thermoplastic sheathing compounds
通信电缆.第2 - 27部分:通用设计规则和结构.无卤素的阻燃热塑性铠装化合物