镁带在耐高温的密闭容器中(内含空气)加热，则下列图中能正确表示

镁带在耐高温的密闭容器中(内含空气)加热，则下列图中能正确表示容器内所盛物质总质量变化的是(　　)。

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镁带在耐高温的密闭容器中(内含空气)加热，则下列图中能正确表示

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