Tafuta ' ' kupata maudhui yanayofaa , ambayo inachukua sekunde }
Muhtasari:Design and research of high precision stainless steel pipe stainless steel pipe has many advantages, such as high streng[Soma maandishi yote]
Muhtasari: kama vile maelfu ya CrNi (yaani asilimia . C). Simu na diameter ya mwisho wa umeme wa vitambaa vya umeme wa wce vitakuw[Soma maandishi yote]