Employing abrasive machining for the form of the gear and intellective-control carburizing and quenching technology for the surface, the gear is with high intensity, strong tenacity and wearability.

齿轮齿形采用磨齿加工，齿面采用智能控制渗碳淬火技术，齿轮的强度高、韧性和耐磨性好。

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For many global investors, Toyota is a never-ending, horsepower strong tenacity full money-making machines.

对全球众多投资者而言，丰田就是一部永不停歇、马力强劲、韧劲十足的赚钱机器。

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The difference between tenacity and stubbornness is that one comes from a strong will and the other from a strong won't.

坚忍不拔与顽固不化的区别在于前者有强烈的愿望而后者没有。

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