单词:optical plumb
音标:[ˈɔptikəl plʌm] ;
光测垂线,光测铅垂线,光测悬线
单词:optical plumb 相关文章
China's Tibet Autonomous Region is about to achieve a universal coverage of fibre-optical broadband service ahead of its schedule. As China further rolled out its universal broadband project, Tibet's broadband service is looking to reach 98% of admin
发表于:2019-02-14 / 阅读(85) / 评论(0)
2018CRI中国国际广播电台