- petrochemical extinguishing system
- 石油: petroleum; fossil oil; oil
- 灭火系统: fire extinguisher system
- 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
- 水灭火系统: water fire-extinguishing system; water smothering system
- 惰性灭火系统: inert gas extinguishing system
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