mechanism of fire resistance  防火的机理

mechanism of protection  保护机制

mechanism of protection and restoration  保护恢复机制

control of fire protection equipment system  消防联动控制系统

Coordination function of fire protection  消防联动

division about region of fire protection  消防区域划分

equipment of fire protection  消防设备

fire protection of the ancient building  古建筑防火

fire protection of tunnel  隧道防火

fire protection of water resources  防火水资源

fire proteotion of building  建筑防火

flaring up of fire of deficiency type  虚火上炎

measures of fire-protection  防火设计措施

Retrofit of Protection of Low Voltage Motor  低压电动机保护的改进

Safety of fire protection  消防安全

State Bureau of Protection of Confidential Documents  国家保密局

the Law of Protection of Consumers’ Rights and Int  消费者权益保护法

type of protection of an instrument for explosive atmosphere  仪表防爆形式

a mechanism of cleaning the blackboard  擦黑板机构