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二氧化碳灭火系统
nautic., tech.
CO₂ fire extinguishing system
shipb.
carbon dioxide fire extinguishing system
tech.
carbon dioxide carbon dioxide extinguishing system
;
CO₂ fire-extinguishing system
二氧化碳灭 火 系统
:
4 phrases
in 3 subjects
Nautical
1
Rail transport
1
Technology
2
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