borehole wall protection mechanism
defence and protection mechanism
extinguishing fire mechanism
protection mechanism
保护机理
保障机制
免疫保护机理
保护机制
保护机构
防护机理
防护机制
治理机制
aircraft fire protection
Analysis of performance-based fire protection
atrium Building fire protection design
Automatic fire protection system
Building Fire Protection
建筑消防
建筑防火
建筑物防火
可编程逻辑控制器
可编程序控制器
可编程序控制器(PLC)
可编程控制器
可编程控制器(PLC)
可编程序罗辑控制器
可编程计算机控制器(PLC)
性能化设计
Building Fire Protection Design
building fire protection technology
city fire protection assessment
city fire protection planning
City Fire Protection Remote Monitoring System Technology Criterion
Code for fire protection
control of fire protection equipment system
effective fire protection area
Electrical fire protection