A. 正确 B. 错误
A. paint thinner in an open can B. fuel accumulation in the bilge C. oily rags in an unvented compartment D. gasoline stored in steel drum
A. 飞机在地面,系统与卫星网断开 B. 飞机在地面,系统与卫星网连接 C. 系统与卫星网断开 D. 系统与卫星网连接
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