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As a branch of the post-tensioned prestressing system, external prestressing technique has become a hotspot of prestressing techniques in recent years.
体外预应力技术作为后张预应力体系的重要分支之一，近年来成为预应力技术的热点。
Tendon is the important structural element of external prestressing bridge and these external prestressing techniques are applied in the bridge rehabilitation engineering.
体外预应力筋是体外预应力桥梁的重要构件。
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