sandwich structure construction的意思|示意

Furthermore, the invention relates to a frame structure for a sandwich construction, which frame structure has been manufactured in accordance with the method according to the invention.

此外本发明还涉及一种用于夹层构造的框架结构，所述框架结构是按照根据本发明的方法进行制造。

The heat preservation and insulation performance and the improvement of construction technologies of open-web sandwich structure are mainly studied in this article.

本文主要是研究空腹夹层结构的保温隔热性能和施工工艺改进。