本文介绍了粘土结合浇注料的热过程特性和PV C张缝板的研制及其放置方法。

In this paper the characteristic of thermal process of clay castable refractories, the development of PVC expansion crack plate and its installment are introduced.

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然后用袖烫垫烫开缝线。领子与驳头上难以烫到的缝份，用小烫板烫。

Press seams open using a seam roll. For hard-to-reach seam allowances on collars and lapels, press them open over a point presser.

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本文从设计、材料、施工三方面，详细分析了工程中预制楼板板缝开裂的原因。

This paper analyses causations of precast floor slab crack in engineering from the aspects of design, material and construction.

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