And has carried on the size analysis and the computation to the packing structure.
并对包装结构进行了尺寸分析与计算。
P - 201 Structure of the packing paper tube
P-201包装用纸管的构造
The product inside can be peeped through the hollow structure before unwrap the packing.
镂空的结构，令使用者在打开包装前，就能窥视到产品的样貌。
It is suitable to the packing wall structure in high-rise building.
适用于高层建筑物的填充墙体结构。
It is suitable to the packing wall structure in high-rise building.
适用于高层建筑物的填充墙体结构。
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