Fungua sehemu nyeusi ya kichwa, kunapaswa kuwa na nati nyeusi ya kurekebisha ndani yake, irekebishe kidogo, kisha safisha uchafu na usakinishe tena. Hii inapaswa kutatua tatizo.
https://www.yukerivet.com/double-core-pulling-hand-riveter-introduction-product/
Muda wa chapisho: Septemba-21-2022