试验证明，利用体外预应力技术加固混凝土简支梁桥，可以明显提高承载力及延性。
The test results show that the externally prestress technology can be applied in strengthening concrete simple span beam to enhance its bearing capacity and ductility.
试验证明，利用体外预应力技术加固混凝土简支梁桥，可以明显提高承载力及延性。
The test results show that the externally prestress technology can be applied in strengthening concrete simple span beam to enhance its bearing capacity and ductility.
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