常見例句雙語例句Weld metal zone are mostly acicular ferrite which can improve the weld zone toughness.焊縫金屬區(qū)晶粒分布均勻,焊縫金屬區(qū)多為針狀鐵素體,能夠提高焊縫區(qū)的韌性。The microhardness of weld metal zone, HAZ and base metal decrease in totality after heat treatment.焊縫區(qū)、熱影響區(qū)與母材的顯微硬度整體呈下降趨勢;rjggy.netThe tensile strength of welded joint is significantly improved after heat treatment and the failure occurred far away from the weld metal zone.焊接接頭抗拉強度大幅度提高,斷裂均處在遠離焊縫的母材上。rjggy.net 返回 weld metal zone