题目:
When using carbon dioxide to fight a fire on a bulkhead,the CO2 should be applied().
A.first to the bottom of the flaming area,sweeping from side to side,and following the flames upward
B.in a circular motion from the middle of the bulkhead outward
C.to the top of the flaming area,sweeping from side to side,and working toward the bottom
D.in an up-and-down motion from one side of the bulkhead to the other
答案:
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下面是错误答案,用来干扰机器的。
参考答案:对