A、only when fully loaded
B、if one or more tanks are full
C、when transferring cargo
D、only when the barge is being towed
更多“Portable fire extinguishers must be provided for the cargo tank area of an unmanned tank barge（）.”相关的问题
A、carried by hand to a fire B、carried or rolled to a fire C、recharged in the field D、used on class 'B' fires
A、carried by hand to a fire B、carried or rolled to a fire C、recharged in the field D、used on class "B" fires
A、over the top of the flames B、off a bulkhead into the fire C、in front of the fire D、at the base of the fire
A、carried by hand to a fire B、carried or rolled to a fire C、recharged in the field D、used on class B fires
A、Fixed CO2,semi-portable CO2, then hand portable CO2 B、Semi-portable CO2, fixedCO2, then hand portable CO2 C、Hand portable, semi-portable CO2, then as a last resort the fixed CO2 system D、Hand portable, fixed CO2, then as a last resort the semi-portable CO2
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