单选题惰性气体系统的功用就是要使油舱气体中的含氧量控制在（），方能开始洗舱作业，防止因静电引起油船爆炸。A15%以下B12%以下C10%以下D8%以下
单选题
惰性气体系统的功用就是要使油舱气体中的含氧量控制在（），方能开始洗舱作业，防止因静电引起油船爆炸。
A
15%以下
B
12%以下
C
10%以下
D
8%以下
参考解析
解析：
暂无解析
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