The weld metal showed very good toughness at low temperature, and dominant microstructure of acicular ferrite.结果表明:所研制焊丝的焊缝金属具有优良的低温韧性, 且实现了以得到针状铁素体组织为主的设计目标.Paris has played a dominant role in France, not just in politi...
他的牙又开始抽痛了。His tooth had started to throb painfully again.这话像鞭子一样抽痛了赫斯渥, 他不高兴了.This cut Hurstwood like a whip, and made him sullen.我的手指因切伤而阵阵抽痛.My finger throbs with the cut....