常見(jiàn)例句雙語(yǔ)例句BK7/K9 is a borosilicate crown optical glass with high homogeneity, low bubble and inclusion content.K9玻璃是硼硅酸鹽光學(xué)玻璃材料的一種，純度高、氣泡少、雜質(zhì)低。Buddhism spread to China, from the crown of glass, "pharmacist optical glass Nyorai" by the UN, "the Oriental Land", that is, for a net of glass, light, "Heaven, Earth, " three realms of dark.佛教傳到中國(guó)后，奉琉璃至寶，“藥師琉璃光如來(lái)”所居的“東方凈土”，即以?xún)袅鹆榈兀庹铡疤斓厝恕比缰怠?/li> 返回 optical crown glass