Ti kii ṣe-woven gbe awọn akọwe ti a fi fun awọn envelopes
Nitori iwuwo fẹẹrẹ, agbara giga, isunmi kekere / Eloongation, Ipako ipa, awọn akọwe ti o gbejade nfunni ni iye awọn ohun elo ti o gbooro si awọn ohun elo ohun elo. Ati pe o ni rọọrun lati daminate pẹlu ọpọlọpọ awọn ohun elo, eyi mu ki o ni awọn aaye pupọ ti awọn ohun elo.
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