Samuel was obliged, while hardening on the main point, to compromise on lesser questions.
塞缪尔在主要问题上愈发强硬的同时,被迫在细枝末节上妥协。
The lower heat-treating temperature of the case results from the fact that hypereutectoid steels are normally austenitized for hardening just above the lower critical point.
由于恰好高于低临界温度通常使过共析钢奥氏体化而硬化,所以对外层采用较低的热处理温度。
From the micro-region view-point, the five stages of fatigue take place successively, and some new explanations for the fatigue hardening, softening and fracture are given.
从微区观点,提出了疲劳过程包含五个阶段,并对其中疲劳强化、硬化和断裂问题作些新的解释。
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