Tafuta ' ' kupata maudhui yanayofaa , ambayo inachukua sekunde }
Muhtasari:Bendera inayozunguka imegawanywa katika wimbi wa moja kwa moja na wimbi zilizotengenezwa kwa T-shape. The pipe rolling c[Soma maandishi yote]
Muhtasari: and the wall thickness of the ground part shall not be less than the design wall thickness.It has advantages and qualit[Soma maandishi yote]