The NFPA has specific requirements for remote annunciators used in some applications, such as hospitals.
美国国家防火协会对指示器在某些行业的应用有特殊要求，例如医院等。
The most challenging of these are the criteria associated with the National Fire Protection Assn. 's (Quincy, Mass. ) NFPA 285 test method.
其中最有挑战的是美国国家防火协会的285测试方法。
E-ONE engineers custom aluminum and stainless steel products that meet or exceed NFPA standards to protect individuals risking their lives to serve those in need.
ONE设计了符合或超过NFPA标准的定制铝和不锈钢制品，以保护冒着生命危险去拯救他人的个体。
The National Fire Protection Agency (NFPA) Guidelines require a confirming flow test to be conducted whenever a "main line" valve such as the shutoff valves or a backflow assembly have been operated.
美国国家防火协会（NFPA）指导原则要求对于主管线上运行的阀门，如关闭阀或防回流阀总成，必须进行流量测试。
The National Fire Protection Agency (NFPA) Guidelines require a confirming flow test to be conducted whenever a "main line" valve such as the shutoff valves or a backflow assembly have been operated.
美国国家防火协会（NFPA）指导原则要求对于主管线上运行的阀门，如关闭阀或防回流阀总成，必须进行流量测试。
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