Tafuta ' ' kupata maudhui yanayofaa , ambayo inachukua sekunde }
Muhtasari:leonDN32 alipoteza pipe nje ya diameter,Pili inatumiwa tu kwa kuchagua kemikali, ambayo inaweza kuondoa kiwango cha oksi[Soma maandishi yote]
Muhtasari:: it refers to the processing of square tube, which places metal in a closed Jane and applies pressure at the end to ext[Soma maandishi yote]