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DEVICE FOR DETERMINATION OF LOOSE MATERIAL NATURAL SLOPING AND CAVING ANGLES
DEVICE FOR DETERMINATION OF LOOSE MATERIAL NATURAL SLOPING AND CAVING ANGLES
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机译:测定松散材料自然倾角和崩角的装置
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摘要
device for determining the angles of repose and the collapse of the bulk material containing a receptacleperformed in the form of a cylinder with a transparent торцом and installed on the basis of the
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