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您好,我们测试介质是空气,仪器设置流速6m³/h,在此环境下进行温度测试。
在常温20-25℃时,燃气表检测到的瞬时流量在6m³/h左右,一致性较好。但是在高温50℃的时候,燃气表检测到的瞬时流量不稳定,波动浮动较大。请问可能是哪方面的原因引起的?