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1.The packing void fraction is an important factor in determining the quality of the product.
包装空隙率是决定产品质量的重要因素。
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2. The packing void fraction can be measured using a special device called a volumetric analyzer.
包装空隙率可以通过一种叫做体积分析仪的特殊设备来测量。
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3.The packing void fraction affects the efficiency of the packaging process.
包装空隙率影响包装过程的效率。