Indlela yokukhusela i-erw steel gi pipe kwi-welding umonakalo kwizicelo?
Umbhobho we-Steel gi, ngandlel’ ithile uthathwa njengemveliso egqwesileyo kwisibini sezicelo ezisebenzayo, kuba yandisa ubomi benkonzo kwaye inexabiso eliphantsi ngokwentelekiso ekusetyenzisweni kwayo. Njengomthetho, ukuwelda kombhobho wentsimbi yaseChina kwenziwa phantse ngendlela efanayo ne weldi...
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