有些人认为硬化的灰铸铁过去曾使零件很容易腐朽老化(因为经过数百万次的应力反向处理后的金属零件最后都会这样)。
Some believe that the hardened gray iron used to make the components simply "fatigues" with age-as metal parts that go through millions of stress reversals eventually do.
经过持续的练习和训练，你的身体和心智得到磨练，你从而具备了冠军的直觉和反应力。
With constant practice and training, you hone your body, your mind and your heart and gain the intuition and reflexes of a champion.
在此奥氏体螺栓材料经过碳化溶液处理和应力硬化处理，因此归在ASTM A193类别2里。推荐采用相应材料的ASTM A194螺母。
Where austenitic bolting materials have been carbide solution treated and strain hardened, they are designated Class 2 in ASTM A193. ASTM A194 nuts of corresponding material are recommended.
应用推荐