单词：intrusion system
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单词：intrusion system 相关文章
Over-use of groundwater may cause landslides. However, in costal areas it also brings seawater intrusion. Let's take a look at the problem with our reporter Zhang Wan. In a village in the costal area of Dalian, Liaoning Province, many villagers compl
发表于:2019-01-19 / 阅读(148) / 评论(0)
英闻天下
英闻天下
China has scrambled fighter jets, after two Japanese jets entered Chinas airspace in the East China Sea, where it was holding joint maritime drills with Russia. The Defense Ministry said on its website that the Japanese aircraft entered the zone on S
发表于:2019-02-11 / 阅读(226) / 评论(0)
CCTV9英语新闻2014年05月
CCTV9英语新闻2014年05月