目的观察纵槽横沟固位形修复楔状缺损的效果。

ObjectiveTo investigate the effects of securing longitudinal-socket-transverse fissure(LSTF) fixtures on wedge-shaped defect(WSD) rehabilitation.

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分析了爬波的波型特征，制作了带长横孔和刻槽孔和刻槽缺陷的焊缝试块，对薄壁焊缝的爬波检测技术进行了试验研究。

The creeping wave characteristics were analyzed, the artificial welding blocks with long-hole and curve were made, and the trials were proceeded on the blocks.

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所述角度限定装置包括起弓形板、槽形板、定向板、横栓和横栓定位板。

The Angle limiting apparatus comprises an arched plate, a trough-shaped plate, an orienting plate, a transverse bolt and a transverse bolt positioning plate.

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所述角度限定装置包括起弓形板、槽形板、定向板、横栓和横栓定位板。

The Angle limiting apparatus comprises an arched plate, a trough-shaped plate, an orienting plate, a transverse bolt and a transverse bolt positioning plate.

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