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。
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。
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。
应用推荐