单词：laser spot welder
单词：laser spot welder 相关文章
By Carol Pearson Washington 30 April 2008 Ten years ago, the U.S. Food and Drug Administration approved LASIK, eye surgery with a laser that enables people to see without glasses. But about five percent of LASIK procedures fail, and those patients ca
VOA常速英语2008年（四月）
[00:-1.00]What's right for you,might be worong for me [00:-2.00]Respect our differences and diversity Be true to youself, [00:-3.00]trust who you are reach for the sky,each of a star! [00:-4.00]A chain is stronger than its weakest link.-Chinese Prove
高中英语河北版上
And it is time again for Story Core. This traveling oral history project is recoding the stories of everyday Americans. And today we have memories of a real life--Rosie the Riveter. Dorothy Kelley helped to build ships in May during War World Ⅱ, a d
2006年NPR美国国家公共电台
By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti
VOA常速英语2007年（十一月）
For most of us in the workforce, waking up early Monday morning is arguably the most painful activity of the week. But not everybody has a case of the Mondays, like we do. In fact, there are real-life people who exist out there who actually look forw
英语新闻
Almost 9.5 million high school students in China have just finished possibly the most important exam of their lives. 中国近乎950万的高校学生刚刚结束了或许是他们人生中最最重要的考试。 The annual National College Entrance
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