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| 抛物线型分布载荷 | |||
| 抛物线形荷载; 抛物线形分布荷载 | |||
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| 抛物线形荷载; 抛物线形分布荷载 | |||
| parabolic load: 2 phrases in 1 subject |
| Technology | 2 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
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