单词:rotary extrusion
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Broadcast: January 14, 2003 By Jill Moss VOICE ONE: This is Phoebe Zimmerman. VOICE TWO: And this is Bob Doughty with Science in the News, a VOA Special English program about recent developments in sc
1849 、 静摩擦 staticfriction 1850 、 颈轴承 journalbearing 1851 、 颈缩 necking 1852 、 频带宽度 bandwidth 1853 、 频率 frequency 1854 、 头座 headstock 1855 、 阈值;临界值
1. 交通规则 traffic regulation 2. 路标 guide post 3. 里程碑 milestone 4. 停车标志 mark car stop 5. 红绿灯 traffic light 6. 自动红绿灯 automatic traffic signal light 7. 红灯 red light 8. 绿灯 green light 9. 黄灯 amber light
1.Computer-Aided Manufacturing(CAM) 计算机辅助制造 A: Is CAM used in China? B: Yes,it has been uesd in China for almost twenty years. A:在中国有使用CAM的吗? B:有啊,在中国使用已经将近20年了。 2.Hot working 热加工 A: What are the hot working proc
SCIENCE IN THE NEWS - Saying Goodbye to Polio: Not There Yet, but Close By Karen Leggett and Cynthia Kirk Broadcast: Tuesday, December 27, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS in VOA Sp
1. 交通规则 traffic regulation 2. 路标 guide post 3. 里程碑 milestone 4. 停车标志 mark car stop 5. 红绿灯 traffic light 6. 自动红绿灯 automatic traffic signal light 7. 红灯 red l
Cooking is one big science experiment and chefs have been gaining fame for more explicit uses of scentific techniques and tools in the kitchen. Now, according to an article in the December issue of physics world, mixologists the folks behind the bar
Cooking is one big science experiment. And chefs have been gaining fame for more explicit use of scientific techniques and tools in the kitchen. Now, according to an article in the December issue of Physics World, mixologiststhe folks behind the bara
1. 交通规则 traffic regulation 2. 路标 guide post 3. 里程碑 milestone 4. 停车标志 mark car stop 5. 红绿灯 traffic light 6. 自动红绿灯 automatic traffic signal light 7. 红灯 red light 8. 绿灯 green light 9. 黄灯 amber light
SCIENCE IN THE NEWS - Fight to End Polio a Story of Unexpected Problems, but Also Progress Over the years, polio experts have had to learn to deal with surprises. Transcript of radio broadcast: 03 March 2008 VOICE ONE: This is SCIENCE IN THE NEWS in
This is the VOA Special English Development Report. Sometimes it takes an engineer to help a village. In poor communities, that help may come from volunteers with a group called Engineers Without Borders. A civil engineering professor in the United
World Partners Intensify Effort to End Polio From VOA Learning English, this is As It Is. Welcome to the show. I'm Caty Weaver. On the program today, we explore the continuing international effort to end polio following an outbreak of the disease in
Born Again: The Reincarnation of a Plastic Bottle Weve seen bottles on shelves, tossed into bins, bundled into bales and shredded and dumped into bags. This whole process spans hundreds of kilometers, and now, the rebirth of a plastic bottle. This is
It Can't Happen Here by Sinclair Lewis Chapter 10 While I hate befogging my pages with scientific technicalities and even neologies, I feel constrained to say here that the most elementary perusal of the Economy of Abundance would convince any intell
This is the VOA Special English Development Report. An Afghan girl receives a dose of polio vaccine The World Health Organization has begun to use a new vaccine against polio. Officials say it will become a major tool in the campaign to end a disease
oil field 油田 wildcat 盲目开掘的油井 percussive drilling 冲击钻探 rotary drilling 旋转钻探 offshore drilling 海底钻探 well 井,油井 derrick 井架 Christmas tree 采油树 cr
Christmas in America means different things to different people. To some people, Christmas means brightly wrapped packages under a decorated tree. To others, it means family reunions and a wonderful meal together. To Christians, it means Jesus' birth
Now look, I'm a technology fan, but I have to admit to you all I'm a little old. 我是一个技术发烧友,但我得承认我年纪是大了点。 So I was a little slow, and I did not trust technology, and when they first came out with those new
51. 回路 loop 52. 安全岛 safety island 53. 停车处 parking place 54. 停私人车 private car park 55. 只停公用车 public car only 56. 不准停车 restricted stop 57. 不准滞留 resticted waiting 58. 临街停车 parking on-street 59. 街