global positioning system,GPS
global positioning system,GPS
[铁道科技英汉词典]
global positioning system,GPS全球定位系统
是什么意思，global positioning system,GPS的解释，global positioning system,GPS的翻译
global positioning system,GPS
[铁道科技英汉词典]
global positioning system,GPS是什么意思，global positioning system,GPS的解释，global positioning system,GPS的翻译