
Mafala Akutoma: Nimbeza woyamba wa dziko lonse, chifukwa chachitika mu 1930s, ndi kulemera kwake kopepuka, mphamvu yayikulu, kuvala kukana, kulowerera mwamphamvu kukhala mawonekedwe, ...
一, kufanizira kwa zinthu zakuthupi peculial Polsin Polsixter Kupanga kwa Polyamide Truephthalate (Pet) Mphamvu Yapamwamba Kwambiri ...