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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极大的窗户墙壁和高的弓形天花板在1937年被增加。

Huge windowed walls and a high arched ceiling were added in 1937.

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采用这种方法解决了更换底圈壁板必然涉及的壁板、底板(弓形边缘板、中幅板)变形问题，保证了工程质量。

By the treatment method it solves problem on deformation of wall and bottom plate relative to bow - shape edge plate and ensures engineering quality.

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