1. Awọn ibeere iṣakojọpọ: awọn ohun-ini idena ti o dara, iboji ti o lagbara, resistance epo, tcnu giga, ko si õrùn, iṣakojọpọ erect 2. Ilana apẹrẹ: BOPP / EXPE / VMPET / EXPE / S-CPP 3. Awọn idi fun yiyan: 3.1 BOPP: Rigidity to dara , titẹ ti o dara, ati iye owo kekere 3.2 VMPET: awọn ohun-ini idena ti o dara, yago fun ...
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