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1·The heat treatment process comprises annealing, hardening and tempering.

热处理过程包括：退火、淬火与回火。

2·The line has perfect performances and is widely used for hardening and tempering bearing parts.

该生产线消化吸收国外先进技术，性能优越，主要用于轴承零件的淬、回火。

3·This paper analyzes the problems existing in the hardening and tempering process of the large draw bar.

该文分析了大型拉杆调质工艺存在的问题。

4·This paper introduces the technology and equipment of multicoli inducting hardening and tempering for mine supporting steels.

介绍了采用多匝线圈感应加热对矿井支护钢进行调质处理的工艺及设备的特点。

5·Function : be applicable to the technics of hardening and tempering heating treatment of batch cast, forgeable piece and auto parts .

用 途：适用于批量性的铸、锻件、汽车配件的调质、正火热处理工艺。

6·The results of the experiment show that it is effective to prevent hydrogen embrittlement failure by hardening and tempering treatment.

实验结果表明：进行调质预处理是防止氢脆失效较为有效的方法。

7·Because the hardness of substrate was low after vacuum melting, the hardness of substrate was increased by hardening and tempering methods.

由于真空烧结涂层基体的硬度较低，采用对基体调质处理的方法来提高涂层基体的硬度。

8·The effect of hardening and tempering process on the organization and performance of high-strength and high-toughness non-hardened-and tempered steel of low carbon martensite is researched.

研究了淬火、回火工艺对低碳马氏体型高强度高韧性非调质钢的组织和性能的影响。

9·Then hardness of coatings and substrate was measured. By means of bend-rotation fatigue tests, fatigue strength of coating and uncoating specimens was compared after hardening and tempering.

然后测量涂层和基体的硬度，并通过采用旋转弯曲疲劳试验比较涂层试样与未涂层试样的疲劳强度。

10·There are three main operations in the heat treatment of steel: hardening tempering and annealing.

钢的热处理操作主要有三种，即：淬火、回火和退火。