The raw material, synthetic process, performance and application of the seam filler are introduced in this paper.

本文介绍了这种嵌缝材料的原材料，合成工艺、性能及施工工艺等。

youdao

The raw material, synthetic process, performance and application of the seam filler are introduced in this paper.

本文介绍了这种嵌缝材料的原材料，合成工艺、性能及施工工艺等。

youdao