简称
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含义
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中文解释
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FM
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Factory Mutual tested and approved
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杰出工厂保险商及顾问认证机构,
全球**认证与咨询领域的权威
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UL
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Underwriters Laboratories listed
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保险商实验室
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N
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Designed in accordance with National Fire Protection Association (NFPA) code 30 regulation
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符合美国国家消防协会NFPA Code 30 设计规范
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O
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Complies with OSHA regulations
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符合美国职业**健康管理局 OSHA 29 CFR 1910.106规范
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U
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Complies with Uniform Fire Code
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符合美国联邦消防规范
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