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timber stress
| grading
| timber stress | |
| tech. | 木材应力 |
| grading | |
| hydroel.st. | 级配; 土地平整 |
| labor.org. | 区分规格 |
| met. | 分级; 粒度; 土方修整 |
| qual.cont. | 归类 |
| supercond. | 分级技术 |
| tech. | 分级 |
| |||
| 木材应力 | |||
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timber stress grading : 9 phrases in 3 subjects |
| Bridge construction | 2 |
| Construction | 1 |
| Technology | 6 |
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