A、authorized fire equipment servicing personnel only
B、replacing the propellent cartridge and refilling with powder
C、puncturing the cartridge seal after installation
D、recharging the cartridge and refilling it with powder
更多“Recharging a previously used cartridge-operated dry-chemical extinguisher is accomplished by（）.”相关的问题
A、15 minutes without recharging B、20 minutes without recharging C、25 minutes without recharging D、30 minutes without recharging
A、changing the air filter B、recharging the system C、changing compressor lubricant D、renewing container vacuum
A、tagged and restowed properly in its rack B、weighed and the charge loss recorded C、given to the chief engineer for recharging D、tagged "empty" and stowed separately from charged extinguishers
A、Check the tag to see when the extinguisher was last charged B、Release a small amount of CO2; if the CO2 discharges，the extinguisher is acceptable C、Weigh the extinguisher and compare the weight against that stamped on the valve D、Recharge the extinguisher at least once each year
A、A675>A312>A13>A10>A5； B、A675>A312>A13>A5>A10； C、A675>A13>A10>A312>A5； D、A675>A13>A312>A10>A5； E、A13>A312>A675>A10>A5。
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