单词：laser cutting machine tool
单词：laser cutting machine tool 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）
金属切削 metal cutting 机床 machine tool 金属工艺学 technology of metals 刀具 cutter 电路 circuit 半导体元件 semiconductor element 反馈 feedback 发生器 generator 直流电源
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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
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车缝车间 单针平车 1-NEEDLE LOCKSTITCH M/C 单针链缝平车 1-NEEDLE CHAINSTITCH M/C 人字平车 ZIG-ZAG STITCHES M/C 双针车 TWIN-NEEDLE M/C 钮门车 BUTTONHOLE M/C 钉钮车 BUTTON ATTACHING M/C 打枣车 BARTACK M/C 埋夹车 CHAIN ST
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One of the highlights of the plan to revitalize China's northeast is a scheme to transform the region into a manufacturing base for advanced equipment by 2030. Encouraging innovation and entrepreneurship will be crucial to make such a breakthrough. C
cctv9英语新闻2016年