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When possible，what is the FIRST step in fighting an engine fuel-pump fire which results from a broken fuel line?（）

A、Secure all engine room doors，hatches，and vents

B、Close the fuel line valve

C、Check the spread of the fire with foam

D、Cast the barge off the wharf

时间：2022-01-02 14:46 关键词： 应急预案与EMS

答案解析

B