常見(jiàn)例句雙語(yǔ)例句Weld metal zone are mostly acicular ferrite which can improve the weld zone toughness.銲縫金屬區(qū)晶粒分佈均勻,銲縫金屬區(qū)多爲(wèi)針狀鉄素躰,能夠提高銲縫區(qū)的靭性。The microhardness of weld metal zone, HAZ and base metal decrease in totality after heat treatment.銲縫區(qū)、熱影響區(qū)與母材的顯微硬度整躰呈下降趨勢(shì);rjggy.netThe tensile strength of welded joint is significantly improved after heat treatment and the failure occurred far away from the weld metal zone.銲接接頭抗拉強(qiáng)度大幅度提高,斷裂均処在遠(yuǎn)離銲縫的母材上。rjggy.net 返回 weld metal zone