单词：transportable LORAN-C
[网络] 移动式劳兰；移动式劳兰C
单词：transportable LORAN-C 相关文章
By Paul Sisco Washington 06 December 2007 When disaster strikes and humanitarian assistance is needed, a rapid, low cost response often is critical. As VOA's Paul Sisco tells us in today's Searching for Solutions report, a voluntary research and supp
发表于:2019-01-11 / 阅读(84) / 评论(0)
VOA常速英语2007年（十二月）
VOA常速英语2007年（十二月）