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1·Most nonferrous metals can be annealed, but never tempered, normalized, or case-hardened.

而大多数有色金属可以进行退火，但不能进行正火或者表面硬化。

2·Main ingredients: green tea essence, almond oil, mint, cationic active agent, high elastic case-hardened cells and etc.

主要成分：绿茶精华、杏仁油、薄荷、阳离子活性剂、高弹性定型因子等。

3·The system can be transported in a ruggedized backpack or hardened case to withstand everyday portability.

该系统可以用一个坚固的背包或箱子携带。

4·Case hardened: a case hardened fastener is a fastener of ferrous material having a surface which has been made harder than the core.

表面硬化：表面硬化的紧固件是黑色金属，其表面经过处理后比内心硬度要高。

5·Case: Custom 30 meter stainless steel, with hardened mineral crystal, and stainless steel caseback.

运动：日本石英，30米防水，不锈钢，硬矿物晶体和不锈钢底盖带：弹簧钢。

6·According to real production case of our country, it is necessary to establish the standard about the conversion tables on hardness and strength of hardened high speed steel.

根据我国具体的生产实际情况，有必要建立我国自己的淬硬高速钢洛氏硬度和维氏硬度换算的标准。

7·According to the feature of the temperature distribution induced by laser scanning, the simple formulas for the fast calculation of the hardened case are set up.

根据激光扫描时工件内温度场及硬化层的分布特征，提出了简便实用的硬化层预测计算公式。

8·By means of extensive tests on nitrided and case hardened gears, it was attempted to discover the possibilities and the limits of nitriding for gears.

通过对氮化和表面渗碳硬化齿轮大量的试验研究，设法揭示对齿轮进行氮化处理的可能性和局限性。

9·Generously dimensioned ball or roller bearings, case hardened forged and ground gears, and internally and externally reinforced gearboxes ensure a long, low maintenance service life.

大尺寸滚珠或滚子轴承，表面硬化伪造和地面齿轮，齿轮箱内部和外部强化确保长，维护成本低使用寿命。

10·Based on that hardened case depth can be increased by delay in air after forging, the technique of delay quenching after forging is proposed in this paper.

基于锻后预冷淬火可提高工件的淬硬层深度，本文提出锻后余热预冷淬火工艺。