1. Cutting blades are made of case-hardened steel.

2. This paper introduces the features of carburized and case-hardened gear. The main problems existing in the manufacturing process are analyzed concretely , and the solution project is brought forward.

3. Cancer thinning out case-hardened organization in these happened Be to thin out the skin tumour.

4. Aiming at heavy duty and low speed gear transmission, Zheng Zhou Research Institute of Mechanical Engineering puts forwards ZY-1 case-hardened double-circular-arc gear.

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

6. All locks at the warehouse will be checked to ensure that they are case-hardened and in good working condition.

7. In order to solve the problems of over tanned sheep skin, the experiments were carried out, and the results showed that there are several remedies suitable to the case-hardened sheep skin.

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