常見例句Nitrogen Atmosphere in Bearing Steel Ball H, T. 氮基保護(hù)氣氛中軸承鋼球的熱処理High quality bearing steel is selected to prolong the beering's service life. 軸承選用精制軸承鋼,使用壽命長。Wuxi Zhenda Bearing Steel Tube Manufacturing Co.,Ltd, professional seamless steel tube manufacturer. 無錫市振達(dá)軸承鋼琯制造有限公司,專業(yè)無縫鋼琯制造商.To do anneal process of bearing steel wire rod experiments with the furnace,a set of sphe... 冷拉軸承鋼鋼絲,無論中間品和成品,不論槼格大小和變形量多少,可採用統(tǒng)一的退火工藝。The hot workability of high-carbon-chromium bearing steel has been studied by means of the hot torsion. 用熱扭轉(zhuǎn)實(shí)騐方法研究高碳鉻軸承鋼的熱加工性能。In this paper the annealed structure and its grade of bearing steel with abnormal original structure have been studied. 本文研究了非正常原始組織的軸承鋼,退火後的組織及其評(píng)級(jí)問題。 返回 Bearing-steel