对采掘工作面放炮后，CO传感器上显示体积分数值与实际值相比较显示值偏大的原因进行了分析，同时提出了综合性的防范措施。
The cause of the high display value of CO sensor after blasting in driving or mining faces is analyzed, and the comprehensive measures are put forward.
图2显示了为包裹的各种重量与体积组合分配运输和处理费用的决策表。
Figure 2 shows a decision table that assigns shipping and handling charges for various combinations of package weight and volume.
尽管这款机型性能较低，但由于体积小重量轻，因此可以直接安装在显示器后面。
In return for low performance, it can be mounted on the back of a display.
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