Compressible packing Model (CPM) was used to analyze the real packing density of the cement powder system added with mineral admixture.
利用CPM可压缩堆积模型，对加入各种矿物掺合料的水泥粉体体系的实际堆积密实度进行了分析和研究。
The utility model provides a washing powder packing case of the product packing field.
本实用新型提出的是产品包装领域的洗衣粉包装盒。
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