ivory board短语¹⁴⁴⁹⁷²⁺² 基本例句 象牙纸板,白卡纸 The white board and Ivory board are used wildly in every color cassette packaging. The article is about discussing that water content effects the quality of cassette and gives Integrated solution. 白板纸、白卡纸广泛地应用到各类彩色纸盒包装中,本文着重从其水分变化对纸盒质量的影响及相应处理办法进行了探讨。 cnki