常見例句雙語例句In production of pipe line steel at Beixi Iron and Steel Co. several defects are pre-vented by adopting optimum technology.圍繞本鋼生產石油管線用鋼,結合生產中出現(xiàn)的問題,摸索出一套適合本鋼熱軋廠的最佳工藝。The results shows that the corrosion is an ideal austenite crystal boundary corrosion for pipe line steel. The accuracy of adopted determination method is high.結果表明,此浸蝕劑是管線鋼一種理想的奧氏體晶界浸蝕劑,所采用的測定方法的精確度較高。The article summarizes the development upgrade process of strength, toughness, stress corrosion cracks, hydrogen induced cracks and welding properties of pipe line steel.綜合闡述了管線鋼的強度、韌性、應力腐蝕開裂、氫致裂紋、焊接性能的發(fā)展提高過程。 返回 pipe line steel