degree of non-combustibility degree of non-flammability
Related Translations:
燃烧: (物质剧烈氧化而发光、发热; 烧) burn; kindle; flame; set on fire; [化学] combustion; inflammation; ignition 短语和例子怒火燃烧 burning with rage; 革命的烈火在燃烧。 the flames of revolution are raging. 干柴容易燃烧。 dry wood bur
不可: 1.(不可以) cannot; should not; must not; not allowed; forbidden 短语和例子不可一概而论 must not make sweeping generalizations; 不可剥夺的权利 an inalienable right; 不可抗拒的历史潮流 an irresistible historical trend; 两