Any number of eligibleproducts can be installed to a package group.
可以在一个包组中安装任意数量的符合条件的产品。
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The basic characters of napped shoe upper leather from yellow cow hide were introduced. The technology of fabricating eligibleproducts for market was founded according to these characters.
The largest difficulty of drawing die is requiring a feasible process project and well supplement to the process, the eligibleproducts can be punched out only when the project is determined.