试验结果表明：物料中的水分变化、物料成分变化、皮带跑偏以及物料堆形不同均可产生一定的计量误差；
It is shown that the precision is related not only with the moisture content and composition of the coveyed materials, but also with the belt′s deviation and the evenness of the materials.
试验结果表明：物料中的水分变化、物料成分变化、皮带跑偏以及物料堆形不同均可产生一定的计量误差；
It is shown that the precision is related not only with the moisture content and composition of the coveyed materials, but also with the belt′s deviation and the evenness of the materials.
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