And then heat it to appropriate temperature in order to reach necessary intensity and toughness.
再加热到适当的温度以达到所需的强度和韧性。
It is show that the ship-plates produced by these parameters have high strength and good low-temperature toughness, and the normalizing treatment is no longer necessary.
结果表明，用这种工艺生产的船板具有高强度和良好的低温韧性，完全可以代替正火处理。
In order to improve the transmission precision of the cycloid gear retarder, it is necessary to make a thorough toughness analysis on cycloid gear.
为了提高摆线针轮减速器的传动精度并对其做进一步的动态分析，要研究摆线齿轮的刚度问题。
I don't think it is necessary to say so toughness about that report.
我认为那篇讲话口气强硬，大可不必。
I don't think it is necessary to say so toughness about that report.
我认为那篇讲话口气强硬，大可不必。
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