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pre-acceptance of welding machine
addtime：2010-10-30click：1360
august 30, 2010, china railway no.5 engineering group co., ltd. came to aigre for pre-acceptance of welding machine. after a series of test such as inspection of welder appearance, inspection of control procedures, rail grinding after welding and etc., the welder has met the use requirements. the welder will then sent to tianjin project department.
