缩口式楼承板系列，更贴近民用建筑的设计，通过防火等级试验。
Contracting type deck series, it is close to the design of civilian construction, pass fireproofing grade testing.
UL列明的任何电缆经过测试验证若符合某种防火等级，可在电缆印上UL识别字、防火等级和批准编号。
UL listed to verify any cable tested if they meet certain fire rating may be printed on the UL in the cable identifier, fire rating and approval number.
阐述了海洋平台防火等级和防火试验方法。
The paper describes the fire rating and fire test methods on offshore platforms.
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