base of prism down, BD
base of prism down, BD
[眼科学英汉词典]
base of prism down, BD棱镜底向下
是什么意思，base of prism down, BD的解释，base of prism down, BD的翻译
base of prism down, BD
[眼科学英汉词典]
base of prism down, BD是什么意思，base of prism down, BD的解释，base of prism down, BD的翻译