The invention relates to a novel artificial composite board which is prepared by granite waste materials.

本发明涉及一种新型的人造复合板，由花岗岩废料制成。

youdao

The invention relates to a novel artificial composite board which is prepared by granite waste materials.

本发明涉及一种新型的人造复合板，由花岗岩废料制成。

youdao