问题:
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
● 参考解析
本题暂无解析
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