There are two disadvantages to CO2 pump as a firefighting agent. One of these is the limited quantity available,and the other is().

A . the lack of cooling effect on heated materials B . that it cannot be used in a dead ship situation with no electrical power to the CO pump C . that it breaks down under extreme heat to form poisonous gases D . there is no effect on a class A fire even in an enclosed space

时间:2022-09-29 09:46:50 所属题库:应急部署题库

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