parallax of cross-hairs
parallax of cross-hairs
[新英汉石油技术词典]
parallax of cross-hairs十字丝视差
是什么意思，parallax of cross-hairs的解释，parallax of cross-hairs的翻译
parallax of cross-hairs
[新英汉石油技术词典]
parallax of cross-hairs是什么意思，parallax of cross-hairs的解释，parallax of cross-hairs的翻译