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本文介绍一种用于露天煤场存煤量自动计量的激光摄像盘煤装置。
The automatic measuring instrument based on laser photography for estimating coal storage volume in open stockyard is introduced in this paper.
截至收盘，早盘大跌的动力煤期货封死跌停。
At the close, thermal coal futures which dropped greatly in the morning sealed at the lower limit.
讨论正断层两盘突出煤体的分布规律对于构造地质学也具有一定的启示。
A discussion on the distribution law of outburst seam in the two walls of the normal fault has a certain apocalypse to the geology.
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