Tafuta ' ' kupata maudhui yanayofaa , ambayo inachukua sekunde }
Muhtasari:It has advantages and quality. The weld reinforcement obtained is increased, the weld formation is deteriorated and the [Soma maandishi yote]
Muhtasari:Kipindi cha wiri nzito cha pipe kilichotengenezwa mara nyingi kina zaidi ya D. Utani wa kizuizi kinachotengenezwa mara n[Soma maandishi yote]