Control valves of a CO2 system may be located within the protected space when().
A CO2 extinguisher on a ship which has lost 10% of its charge must be().
A CO2 extinguisher on a ship which has lost 10% of its charge must be().
Which is the proper method of determining whether a portable CO2 fire extinguisher needs recharging?()
CO2 cylinders,which protect the small space in which they are stored must().
How long warning must be provided by the CO2 warning Mann before CO2 is discharged into a space ().
CO2 extinguishes a fire by().
生物氧化中,体内CO2的形成是有机物脱羧产生的,而脱羧方式有两种,即()和()。
已知反应NO(g)+CO(g)(1/2)N2(g)+CO2(g)的△H<0。有利于NO和CO转化的措施是下列中哪一种?()
Fixed CO2 systems would not be used on crew’s quarters or().