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如果松散固态料堆的初始外形未知,或无法作出假定,或者物料之特性无法预测,那么,如果要用自动控制设备来运搬这些物料,则必须进行某种外形连续测量。
If the initial shape of the loose solid bulk heap is unknown or can not be assumed or the properties of the material are unpredictable, then some form of continuous measurement must be carried out if automated handling equipment is to be used to carry the material.