问题

If a small fire initially breaks out in the engine room bilges, in which of the following

If a small fire initially breaks out in the engine room bilges, in which of the following sequences should the fire extinguishing agents or systems be used？

A.Fixed CO2, semi-portable CO2, then hand portable CO2

B.Semi-portable CO2, fixed CO2, 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

请帮忙给出正确答案和分析，谢谢！

参考答案

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