Zvigadzirwa zvedu zvikuru ndezvepamusoro-frequency yakatwasuka seam welded simbi pombi uye kaviri-side mativi akanyudzwa arc welded simbi pombi, nezvimwewo, ayo anoshandiswa zvakanyanya mukati uye yakaderera kumanikidzwa kwemvura yekufambisa mapaipi akadai seoiri, gasi rechisikigo, mvura, chiutsi, gasi, nezvimwewo, pamwe chete nemapaipi esimbi ekugadzira pil...
Verenga zvimwe