Dị ka polyurethane siri ike ụfụfụ (PU siri ike ụfụfụ) nwere àgwà nke ìhè arọ, ezigbo thermal mkpuchi mmetụta, adaba ewu, wdg, na nwekwara magburu onwe àgwà dị ka ụda mkpuchi, ujo na-eguzogide, eletriki mkpuchi, okpomọkụ na-eguzogide, oyi na-eguzogide, ihe mgbaze. re...
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