optical crown glass
常见例句
- BK7/K9 is a borosilicate crown optical glass with high homogeneity, low bubble and inclusion content.
K9玻璃是硼硅酸盐光学玻璃材料的一种，纯度高、气泡少、杂质低。 - 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.
佛教传到中国后，奉琉璃至宝，“药师琉璃光如来”所居的“东方净土”，即以净琉璃为地，光照“天地人”三界之暗。 返回 optical crown glass