Butt welding machines inoita basa rakakosha mumaindasitiri akasiyana, ichigonesa kusanganiswa kwesimbi kuburikidza nemusanganiswa wekupisa, kudzvanywa, uye kudzora chaiko. Muchinyorwa chino, tinoongorora mashandisirwo akaitwa michina iyi, tichiongorora kushanda kwayo kubva pakutanga kusvika pakupera. Nekunzwisisa...
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