单词:cavitation pitting
点空泡,点空蚀,穴蚀,气蚀
单词:cavitation pitting 相关文章
Colombia's Presidential Election Moves To A 2nd Round Pitting Right Against Left STEVE INSKEEP, HOST: The American Civil War ended in 1865. That was a long time ago. Yet there is a case to be made that many of our elections since then have replayed s
发表于:2019-01-16 / 阅读(59) / 评论(0)
2018年NPR美国国家公共电台5月