题目内容

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

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

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