The static performance of EP-EPS cushioning packaging materials renders non-linear curve, the basic shape is similar to the tangent curve.
EP -EPS缓冲包装材料的静态性能呈现非线性曲线的特性，基本形状与正切曲线相类似。
The static performance of EP-EPS cushioning packaging materials renders non-linear curve, the basic shape is similar to the tangent curve.
EP -EPS缓冲包装材料的静态性能呈现非线性曲线的特性，基本形状与正切曲线相类似。
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