英语词汇fire-protection rating怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	fire-protection rating
释义	fire-protection rating 简明释义防火等级：指建筑材料、构件或设备在火灾条件下的耐火性能等级。网络释义短语 1 fire protection rating 耐火等级双语例句 1 Fire rating: H-3 Protection Grade: IP54 it has wide light distribution curve and its prism glass can reduce glace. 灯具防火等级：H - 3防护等级：IP54灯具配光曲线宽，棱晶玻璃罩减少眩光。
随便看	sounding lead line sounding leadline sounding lead sounding line sounding-line sounding line correction sounding line layout sounding lines sounding logbook soundingly sounding machine sounding machine sounding machine check sounding machine feeler sounding machine lead sounding mark sounding meteorograph sounding method sounding navigation soundingness sounding of cross section sound off sounding of induced polarization sound ingot sound out

英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。