- built-in fire su re ion system
- built-in fire suppression system
- 内: inner; inside; within
- 装: dress; outfit; attire; cloth ...
- 灭火系统: fire extinguisher system
- 内装灭火装置: built-in fire protection
- 灭火系统: fire extinguisher system = fire-extinguisher system; fire extinguishing systems; fire-extinguishing system = fire extinguishing system; su re ion system; suppression system
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