 |
| |||
| 应力循环不对称脉动系数 | |||
| 疲劳试验中最大与最小应力之比张应力为正，压缩应力为负 | |||
| 应力比 | |||
| stress ratio: 43 phrases in 9 subjects |
| Desert science | 2 |
| Engineering geology | 11 |
| Explosives and Explosive Ordnance Disposal | 2 |
| Hydroelectric power stations | 1 |
| Metallurgy | 5 |
| Plastics | 2 |
| Rail transport | 1 |
| Technology | 18 |
| Wind Energy | 1 |
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