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提出一种解决露天煤场存煤量自动计量的方法，介绍激光盘煤装置的构成、功能及使用，这一方法也可推广到露天大范围堆积物料的体积测量中。
A new method to solve the problem of automatic measurement of coal storage in opencast coal yard is proposed. The composition, function and use of laser coal cutting unit are introduced. This method can also be extended to the volume measurement of a wide range of accumulated materials in the open air.