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Dry Chemical System : DRY CHEMICAL Fire Extinguishing System ...
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日期:2024-05-15
Dry Chemical is a powder composed of very small particles usually of sodium ...
Best applicable to fire extinguishing systems for protection of dangerous and ... [
Principle] 2NaHCO3 ---> Na2CO3+CO2+H2O Na2CO3 ---> Na2O+CO2. 2....看更多