As a new type constructional material, sandwich panels are applied in engineering more and more.

作为一种新型建筑材料，夹芯板目前在工程中得到了愈来愈广泛的应用。

youdao

As a new type constructional material, sandwich panels are applied in engineering more and more.

作为一种新型建筑材料，夹芯板目前在工程中得到了愈来愈广泛的应用。

youdao