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| 后张法中未粘结的预应力钢筋 | |||
| 未绑扎的预应力钢筋 | |||
| 无粘结预应力钢筋; 先张拉预应力钢筋 | |||
| 无黏结预应力钢筋; 未黏结的预应力钢筋 (后张法中) | |||
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