NFPA 翻译? 1. halocarbon systems for spaces that are normally occupied and designed to concentrations up to the NOAEL[see table 1.5.1.2.1(a)] shall be permitted. the maximum exposure in any case shall not exceed 5 minutes. 2. halocarbon systems for spaces that are normally occupied and designed to concentrations above the NOAEL[see table 1.5.1.2.1(a)] shall be permitted if means are provided to llimit exposure to the design concentrations shown in table 1.5.1.2.1(b) through table 1.5.1.2.1(e) that correspond to an allowable human exposure time of 5 minutes. higher design concentrations associated with human exposure times less than 5 minutes as shown in table 1.5.1.2.1(b) through table 1.5.1.2.1(e) shall not be permitted in normally occupied spaces. an exposure and egress analysis shall be performed and approved. 请翻译解释一下。 查看更多1个回答 . 2人已关注