Site na njiri mara elu dị ka igbutu ziri ezi, itinye aka na akpaaka, interface onye ọrụ nwere ọgụgụ isi, yana atụmatụ nchekwa dị elu, a haziri igwe anyị iji were nrụpụta PCB gị gaa n'ọkwa ọzọ.Otu n'ime ihe pụtara ìhè nke igwe nkesa PCB anyị bụ nke ziri ezi ...
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