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| case hardened steel | |||
| case hardening steel | |||
| cement steel | |||
| case-hardened steel; case-hardening steel; case steel; surface-hardened steel; case-hardened steel (Armor plate and parts of rifles, typewriters and automobile engines are a few of the multitude of case-hardened steel components. 装甲钢板，步枪、打字机和汽车发动机的零部件是诸多表面硬化钢零部件中的几例。) | |||
| cemented steel | |||
| surface hardened steel | |||
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| cemented steel | |||
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| case-hardened steel | |||
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| case-hardened steel | |||
| 表面 硬 化钢: 16 phrases in 6 subjects |
| Aviation | 1 |
| General | 3 |
| Metallurgy | 6 |
| Steel production | 1 |
| Technology | 4 |
| Wind Energy | 1 |