A、cool the bulkheads around the fire
B、remove combustibles from direct exposure
C、close all openings to the area
D、shut off all electric power
更多“To prevent the spread of fire by conduction you should（）.”相关的问题
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A、Keep the wire soft and manageable B、Lubricate the inner wires and prevent wear C、Prevent kinking D、Prevent rotting
A、A.prevent the generation of flammable or combustible gas in tanks B、B.blow out cargo lines to prevent the build up of gas concentrations C、C.dilute tank atmospheres to keep gas concentrations below the lower explosive limit D、D.prevent fires in the pumproom by continually displacing flammable vapors
A、prevent the boom from being raised too high B、prevent the boom from swinging C、support the boom when not in use D、prevent the boom from being lowered
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